View allAll Photos Tagged Angiosperms
DSC09926 MALVA MOSCATA TRA LE FOGLIE A LAMINA LUNGHISSIMA DI ASFODELO MONTANO ANGIOSPERMA MOMOCOTILEDONE GEOFITA PERENNE DAL CUI COLLETTO MERISTEMATICO DIFFERENZIANO SOTTOTERRA FASCI DI RADICI TUBEROSE
Cardiospermum corindum Linnaeus, 1762 - balloon vine (Sanibel-Captiva Conservation Foundation's Native Plant Nursery, Sanibel Island, Florida, USA)
Plants are multicellular, photosynthesizing eucaryotes. Most species occupy terrestrial environments, but they also occur in freshwater and saltwater aquatic environments. The oldest known land plants in the fossil record are Ordovician to Silurian. Land plant body fossils are known in Silurian sedimentary rocks - they are small and simple plants (e.g., Cooksonia). Fossil root traces in paleosol horizons are known in the Ordovician. During the Devonian, the first trees and forests appeared. Earth's initial forestation event occurred during the Middle to Late Paleozoic. Earth's continents have been partly to mostly covered with forests ever since the Late Devonian. Occasional mass extinction events temporarily removed much of Earth's plant ecosystems - this occurred at the Permian-Triassic boundary (251 million years ago) and the Cretaceous-Tertiary boundary (65 million years ago).
The most conspicuous group of living plants is the angiosperms, the flowering plants. They first unambiguously appeared in the fossil record during the Cretaceous. They quickly dominated Earth's terrestrial ecosystems, and have dominated ever since. This domination was due to the evolutionary success of flowers, which are structures that greatly aid angiosperm reproduction.
Classification: Plantae, Angiospermophyta, Sapindales, Sapindaceae
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#ROSE #Plantae #Tracheophytes #Angiosperms #Eudicots
#Rosids #Rosales #Rosaceae #Rosoideae #Roseae
#Rosa #薔薇屬 #植物界 #被子植物 #真雙子葉植物
#薔薇類植物 #薔薇目 #薔薇科 #薔薇亞科 #गुलाबकाफूल
#Rosa #الوردة #mawar #Роза #গোলাপ
#ローズ 장미 #τριαντάφυλλο #ורד #Róża
#růže #roos #restesig #trëndafil #վարդ
#gül #arrosa #ружа #ruža #роза
#နှင်းဆီ #rosas #ruusu #ვარდი #ગુલાબ
#furenwardi #rózsa #hækkaði #rós #ಗುಲಾಬಿ
#ກຸຫລາບ #rožu #pakilo #opgestan #raozy
#റോസ് #गुलाब #сарнай #गुलाफ #ଗୋଲାପ
#ګلاب #ਗੁਲਾਬ #Trandafir #گلسرخ #ubax
#රෝස #ruža #vrtnica #waridi #садбарг
#உயர்ந்தது #గులాబీ #ดอกกุหลาบ #троянда #atirgul
#Hoahồng #Rhosyn #roas #wavuka #רויז
Kingdom=Plantae
Clade=Angiosperms
Clade=Monocots
Order=Asparagales
Family=Asparagaceae
Subfamily=Lomandroideae
Genus=Thysanotus
Species=patersonii ID by www.australiasomuchtosee.com
Binomial name=Thysanotus patersonii
Common name=Twining Fringe lily
Kingdom : Animalia
Phylum : Arthropoda
Class : Insecta
Order : Lepidoptera
Family : Nymphalidae
Genus : Danaus
Species : Danaus chrysippus
=====================================
Kingdom : Plantae
(unranked) : Angiosperms
(unranked) : Eudicots
(unranked) : Asterids
Order : Asterales
Family : Asteraceae
Tribe : Heliantheae
Genus : Tridax
Species : Tridax procumbens
Kingdom : Animalia
Phylum : Arthropoda
Class : Insecta
Order : Lepidoptera
Family : Lycaenidae
Subfamily : Polyommatinae
Tribe : Polyommatini
Genus : Tarucus
========================================
Kingdom : Plantae
(unranked) : Angiosperms
(unranked) : Eudicots
(unranked) : Asterids
Order : Asterales
Family : Asteraceae
Tribe : Heliantheae
Genus : Tridax
Species : Tridax procumbens
Some people like these big pink blossoms. I could live without them I think. They usually seem out of proportion in an urban setting and their color seems unnatural and over wrought. Also, they are a one-shot deal. Once they've flowered in late spring the rest of the season is boring green.
Paeonia sp. in Ohio, USA (28 May 2023).
Classification: Plantae, Angiospermophyta, Saxifragales, Paeoniaceae
Locality: cultivar in Newark, Ohio, USA
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Info. at:
Plants are multicellular, photosynthesizing eucaryotes. Most species occupy terrestrial environments, but they also occur in freshwater and saltwater aquatic environments. The oldest known land plants in the fossil record are Ordovician to Silurian. Land plant body fossils are known in Silurian sedimentary rocks - they are small and simple plants (e.g., Cooksonia). Fossil root traces in paleosol horizons are known in the Ordovician. During the Devonian, the first trees and forests appeared. Earth's initial forestation event occurred during the Middle to Late Paleozoic. Earth's continents have been partly to mostly covered with forests ever since the Late Devonian. Occasional mass extinction events temporarily removed much of Earth's plant ecosystems - this occurred at the Permian-Triassic boundary (251 million years ago) and the Cretaceous-Tertiary boundary (65 million years ago).
The most conspicuous group of living plants is the angiosperms, the flowering plants. They first unambiguously appeared in the fossil record during the Cretaceous. They quickly dominated Earth's terrestrial ecosystems, and have dominated ever since. This domination was due to the evolutionary success of flowers, which are structures that greatly aid angiosperm reproduction.
Rhododendron is widely distributed; the genus has over one thousand species.
Classification: Plantae, Angiospermophyta, Ericales, Ericaceae
Locality: cultivar in Newark, Ohio, USA
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See info. at:
THE AGE OF FLOWERING PLANTS
ANGIOSPERM means "seed borne in vessel," while GYMNOSPERM means "naked seed," a reference to the lack of protective structure enveloping the seed. One reason that flowering plants were able to diversify so dramatically and spread during the Cretaceous and Cenozoic, or modern, the era was the evolution of new structures and tissues such as the carpel, a womb-like vessel that encloses angiosperm seeds and endosperm, a placenta-like tissue that nourishes the young plant as it develop within the seed, Today, angiosperm dominate terrestrial life on the planet. At an estimated 422,000 species, they compose by far the largest group of plants. They grow in greater range of environments, exhibits a wider range of growth habits, and display more variation in form than any living group of plants. In size, angiosperm range from tiny duckweed to eucaplytuses more than 330 ft (100 m) tall. The explosion of angiosperm diversity has gone hand in hand with the proliferation of insect, birds, and other animals that pollinate their flowers, disperse their fruits and seeds, and eat their leaves.
PLANT - The ultimate visual reference to plants and flowers of the world JANET MARINELLI
Mindanao Tourist Destinations
Local/Travel Website and Angelique Ross Kaamiño/TravelEscapade TRAVEL/Leisure Cebu/CdO/Butuanon
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Eagle View from the top of Mt. Kitanglad of CdeO Macajalar Bay to Mt. Malindang, Mis. Occ./The Flora and Fauna of Mt. Malindang
PHOTO INFO-STORY: -wilfredosrb
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Helianthus annuus Linnaeus, 1753 - wild sunflower from Kansas, USA. (photo by James Cheshire)
Plants are multicellular, photosynthesizing eucaryotes. Most species occupy terrestrial environments, but they also occur in freshwater and saltwater aquatic environments. The oldest known land plants in the fossil record are Ordovician to Silurian. Land plant body fossils are known in Silurian sedimentary rocks - they are small and simple plants (e.g., Cooksonia). Fossil root traces in paleosol horizons are known in the Ordovician. During the Devonian, the first trees and forests appeared. Earth's initial forestation event occurred during the Middle to Late Paleozoic. Earth's continents have been partly to mostly covered with forests ever since the Late Devonian. Occasional mass extinction events temporarily removed much of Earth's plant ecosystems - this occurred at the Permian-Triassic boundary (251 million years ago) and the Cretaceous-Tertiary boundary (65 million years ago).
The most conspicuous group of living plants is the angiosperms, the flowering plants. They first unambiguously appeared in the fossil record during the Cretaceous. They quickly dominated Earth's terrestrial ecosystems, and have dominated ever since. This domination was due to the evolutionary success of flowers, which are structures that greatly aid angiosperm reproduction.
Classification: Plantae, Angiospermophyta, Asterales, Asteraceae.
Locality: transplanted individual from Castle Rock chalk badlands, south of Quinter, western Kansas, USA
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Narcissus sp. - daffodils in Ohio, USA (early April 2015).
Plants are multicellular, photosynthesizing eucaryotes. Most species occupy terrestrial environments, but they also occur in freshwater and saltwater aquatic environments. The oldest known land plants in the fossil record are Ordovician to Silurian. Land plant body fossils are known in Silurian sedimentary rocks - they are small and simple plants (e.g., Cooksonia). Fossil root traces in paleosol horizons are known in the Ordovician. During the Devonian, the first trees and forests appeared. Earth's initial forestation event occurred during the Middle to Late Paleozoic. Earth's continents have been partly to mostly covered with forests ever since the Late Devonian. Occasional mass extinction events temporarily removed much of Earth's plant ecosystems - this occurred at the Permian-Triassic boundary (251 million years ago) and the Cretaceous-Tertiary boundary (65 million years ago).
The most conspicuous group of living plants is the angiosperms, the flowering plants. They first unambiguously appeared in the fossil record during the Cretaceous. They quickly dominated Earth's terrestrial ecosystems, and have dominated ever since. This domination was due to the evolutionary success of flowers, which are structures that greatly aid angiosperm reproduction.
Daffodils are widespread and have been extensively cultivated, but they are native to southwestern & southern Europe and northern Africa.
Classification: Plantae, Angiospermophyta, Asparagales, Amaryllidaceae
Locality: cultivar in Newark, Ohio, USA
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More info. at:
THE AGE OF FLOWERING PLANTS
ANGIOSPERM means "seed borne in vessel," while GYMNOSPERM means "naked seed," a reference to the lack of protective structure enveloping the seed. One reason that flowering plants were able to diversify so dramatically and spread during the Cretaceous and Cenozoic, or modern, the era was the evolution of new structures and tissues such as the carpel, a womb-like vessel that encloses angiosperm seeds and endosperm, a placenta-like tissue that nourishes the young plant as it develop within the seed, Today, angiosperm dominate terrestrial life on the planet. At an estimated 422,000 species, they compose by far the largest group of plants. They grow in greater range of environments, exhibits a wider range of growth habits, and display more variation in form than any living group of plants. In size, angiosperm range from tiny duckweed to eucaplytuses more than 330 ft (100 m) tall. The explosion of angiosperm diversity has gone hand in hand with the proliferation of insect, birds, and other animals that pollinate their flowers, disperse their fruits and seeds, and eat their leaves.
PLANT - The ultimate visual reference to plants and flowers of the world JANET MARINELLI
Mindanao Tourist Destinations
Local/Travel Website and Angelique Ross Kaamiño/TravelEscapade TRAVEL/Leisure Cebu/CdO/Butuanon
Featured Link-
Eagle View from the top of Mt. Kitanglad of CdeO Macajalar Bay to Mt. Malindang, Mis. Occ./Carfel Amerkhan with Envaronmentalist Survey Group PHOTOS
PHOTO INFO-STORY: -wilfredosrb
Mindanao Tourist Destinations created an event.
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PHOTO INFO-STORY: - wilfredosrb.
THE AGE OF FLOWERING PLANTS
ANGIOSPERM means "seed borne in vessel," while GYMNOSPERM means "naked seed," a reference to the lack of protective structure enveloping the seed. One reason that flowering plants were able to diversify so dramatically and spread during the Cretaceous and Cenozoic, or modern, the era was the evolution of new structures and tissues such as the carpel, a womb-like vessel that encloses angiosperm seeds and endosperm, a placenta-like tissue that nourishes the young plant as it develop within the seed, Today, angiosperm dominate terrestrial life on the planet. At an estimated 422,000 species, they compose by far the largest group of plants. They grow in greater range of environments, exhibits a wider range of growth habits, and display more variation in form than any living group of plants. In size, angiosperm range from tiny duckweed to eucaplytuses more than 330 ft (100 m) tall. The explosion of angiosperm diversity has gone hand in hand with the proliferation of insect, birds, and other animals that pollinate their flowers, disperse their fruits and seeds, and eat their leaves.
PLANT - The ultimate visual reference to plants and flowers of the world JANET MARINELLI
IMAGES: - MINDANAO TOURIST'S DESTINATIONS and Cinchona Tree Forest Reserve, Kaatuan, Lantapan/ Laarni Felecio Magyano's PHOTOS
PHOTO INFO-STORY: -wilfredosrb
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Kingdom=Plantae
Clade=Angiosperms
Clade=Monocots
Order=Asparagales
Family=Asparagaceae
Subfamily=Lomandroideae
Genus=Thysanotus
Species=patersonii ID by www.australiasomuchtosee.com
Binomial name=Thysanotus patersonii
Common name=Twining Fringe lily
Plants are multicellular, photosynthesizing eucaryotes. Most species occupy terrestrial environments, but they also occur in freshwater and saltwater aquatic environments. The oldest known land plants in the fossil record are Ordovician to Silurian. Land plant body fossils are known in Silurian sedimentary rocks - they are small and simple plants (e.g., Cooksonia). Fossil root traces in paleosol horizons are known in the Ordovician. During the Devonian, the first trees and forests appeared. Earth's initial forestation event occurred during the Middle to Late Paleozoic. Earth's continents have been partly to mostly covered with forests ever since the Late Devonian. Occasional mass extinction events temporarily removed much of Earth's plant ecosystems - this occurred at the Permian-Triassic boundary (251 million years ago) and the Cretaceous-Tertiary boundary (65 million years ago).
The most conspicuous group of living plants is the angiosperms, the flowering plants. They first unambiguously appeared in the fossil record during the Cretaceous. They quickly dominated Earth's terrestrial ecosystems, and have dominated ever since. This domination was due to the evolutionary success of flowers, which are structures that greatly aid angiosperm reproduction.
These cattails in Ohio are either Typha latifolia, a native angiosperm species, or Typha angustifolia, a non-native, invasive (pest) species.
Classification: Plantae, Angiospermophyta, Poales, Typhaceae
Locality: southwestern side of Rt. 35, immediately south of Lloyds Bridge Road intersection (= County Road 71), NNW of the town of Jackson, northwestern Jackson County, southern Ohio, USA
THE AGE OF FLOWERING PLANTS
Updated Nov 01, 2015
ANGIOSPERM means "seed borne in vessel," while GYMNOSPERM means "naked seed," a reference to the lack of protective structure enveloping the seed. One reason that flowering plants were able to diversify so dramatically and spread during the Cretaceous and CENOZOIC, or MODERN, the era was the evolution of new structures and tissues such as the carpel, a womb-like vessel that encloses angiosperm seeds and endosperm, a placenta-like tissue that nourishes the young plant as it develop within the seed, Today, angiosperm dominate terrestrial life on the planet. At an estimated 422,000 species, they compose by far the largest group of plants. They grow in greater range of environments, exhibits a wider range of growth habits, and display more variation in form than any living group of plants. In size, angiosperm range from tiny duckweed to eucaplytuses more than 330 ft (100 m) tall.
The explosion of angiosperm diversity has gone hand in hand with the PROLIFERATIONS of INSECTS, BIRDS, and other ANIMALS that POLLINATE THEIR FLOWERS , DISPERSE THEIR FRUITS and SEEDS, and EAT THEIR LEAVES.
PLANT - The ultimate visual reference to plants and flowers of the world JANET MARINELLI
Photography Photos -wilfredoserb and Nikki Reign Kaamino/CdeO/Butuan
genus: Osteospermum
common names: African Daisy, South African Daisy, Cape Daisy and Blue-eyed Daisy
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae (sunflower)
Tribe: Calenduleae
Genus: Osteospermum
Kingdom : Plantae
(unranked) : Angiosperms
(unranked) : Eudicots
(unranked) : Asterids
Order : Solanales
Family : Solanaceae
Genus : Solanum
Subgenus : Leptostemonum
Species : Solanum incanum
This picture was taken in my backyard. Angiosperm is a plant that has flowers and produces seeds. These white flowers satisfy those qualities.
Kingdom=Plantae
unranked=Angiosperms
unranked=Monocots
Order=Asparagales
Family=Iridaceae
Subfamily=Patersonioideae
Genus=Patersonia
Species=occidentalis?
Binomial name=Patersonia occidentalis?
Common name=Purple flag?
Plants are multicellular, photosynthesizing eucaryotes. Most species occupy terrestrial environments, but they also occur in freshwater and saltwater aquatic environments. The oldest known land plants in the fossil record are Ordovician to Silurian. Land plant body fossils are known in Silurian sedimentary rocks - they are small and simple plants (e.g., Cooksonia). Fossil root traces in paleosol horizons are known in the Ordovician. During the Devonian, the first trees and forests appeared. Earth's initial forestation event occurred during the Middle to Late Paleozoic. Earth's continents have been partly to mostly covered with forests ever since the Late Devonian. Occasional mass extinction events temporarily removed much of Earth's plant ecosystems - this occurred at the Permian-Triassic boundary (251 million years ago) and the Cretaceous-Tertiary boundary (65 million years ago).
The most conspicuous group of living plants is the angiosperms, the flowering plants. They first unambiguously appeared in the fossil record during the Cretaceous. They quickly dominated Earth's terrestrial ecosystems, and have dominated ever since. This domination was due to the evolutionary success of flowers, which are structures that greatly aid angiosperm reproduction.
These cattails in Ohio are either Typha latifolia, a native angiosperm species, or Typha angustifolia, a non-native, invasive (pest) species.
Classification: Plantae, Angiospermophyta, Poales, Typhaceae
Locality: southwestern side of Rt. 35, immediately south of Lloyds Bridge Road intersection (= County Road 71), NNW of the town of Jackson, northwestern Jackson County, southern Ohio, USA
Large Fringed Gentian (Gentianopsis crinita; Blue Gentian) - White Lake, Hardwick, New Jersey
In this image you can see the older older closed blossoms at the top of the flower head, which is just the opposite of most flowering plants where the older blossoms are usually at the bottom of the flower spike.
Fringed Gentian is a biennial herbaceous flowering plant that loves calcium rich soils and their neutral to slightly basic pH.
White lake, which was at one time a limestone* quarry, meets that requirement and fringed Gentians are quite abundant in the fields surrounding the lake.
This image is a composite of 3 captures, with the bottom/last capture used for the crop of the single flower posted as the first comment below.
* Limestone - Yet another thing named for what you get from it rather than what it is. And true to form the limestone at White Lake was quarried to make lime. The process involves heating the limestone to approximately 1000° C, at which point the carbonate is broken up to release CO₂ leaving behind quick lime as the reaction product. (CaCO₃ + heat → CaO + CO₂ for those of you who are scientifically oriented).
And needless to say the energy put into limestone to drive off the CO₂ is released when it re-absorbs CO₂ from the air and returns to the lower energy state of the carbonate (CO₃) as is the case in many cement formulations. So the next time you're in the vicinity of some freshly cured cement, try putting your hand on it and see if you can't feel the heat that was used to produce the lime that went into that cement.
Plantae Tracheophytes Angiosperms Eudicots Asterids Gentianales Gentianaceae Gentianopsis crinita "Gentianopsis crinita"
THE AGE OF FLOWERING PLANTS
ANGIOSPERM means "seed borne in vessel," while GYMNOSPERM means "naked seed," a reference to the lack of protective structure enveloping the seed. One reason that flowering plants were able to diversify so dramatically and spread during the Cretaceous and Cenozoic, or modern, the era was the evolution of new structures and tissues such as the carpel, a womb-like vessel that encloses angiosperm seeds and endosperm, a placenta-like tissue that nourishes the young plant as it develop within the seed, Today, angiosperm dominate terrestrial life on the planet. At an estimated 422,000 species, they compose by far the largest group of plants. They grow in greater range of environments, exhibits a wider range of growth habits, and display more variation in form than any living group of plants. In size, angiosperm range from tiny duckweed to eucaplytuses more than 330 ft (100 m) tall. The explosion of angiosperm diversity has gone hand in hand with the proliferation of insect, birds, and other animals that pollinate their flowers, disperse their fruits and seeds, and eat their leaves.
PLANT - The ultimate visual reference to plants and flowers of the world JANET MARINELLI
Mindanao Tourist Destinations
Local/Travel Website and Angelique Ross Kaamiño/TravelEscapade TRAVEL/Leisure Cebu/CdO/Butuanon
Featured Link-
Sipaka Islet and Talisayan, Mis Or. as Tourists Destinations. Oscar Oca Caiña selected photos. Added: Road to Aluijid Hometown, December 13 photos by W. Antonio P. Kaamino&Nikki P. Kaamino, DBP-CdeO/Butuan City
PHOTO INFO-STORY: -wilfredosrb
Mindanao Tourist Destinations created an event.
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Spiraea sp. - meadowsweet in Ohio, USA. (9 April 2021)
Plants are multicellular, photosynthesizing eucaryotes. Most species occupy terrestrial environments, but they also occur in freshwater and saltwater aquatic environments. The oldest known land plants in the fossil record are Ordovician to Silurian. Land plant body fossils are known in Silurian sedimentary rocks - they are small and simple plants (e.g., Cooksonia). Fossil root traces in paleosol horizons are known in the Ordovician. During the Devonian, the first trees and forests appeared. Earth's initial forestation event occurred during the Middle to Late Paleozoic. Earth's continents have been partly to mostly covered with forests ever since the Late Devonian. Occasional mass extinction events temporarily removed much of Earth's plant ecosystems - this occurred at the Permian-Triassic boundary (251 million years ago) and the Cretaceous-Tertiary boundary (65 million years ago).
The most conspicuous group of living plants is the angiosperms, the flowering plants. They first unambiguously appeared in the fossil record during the Cretaceous. They quickly dominated Earth's terrestrial ecosystems, and have dominated ever since. This domination was due to the evolutionary success of flowers, which are structures that greatly aid angiosperm reproduction.
The yellowish-orangish-reddish structures of this Spiraea sp. are not flowers - they're leaves. From spring-onward, the leaves change color from red to orangish to yellowish to greenish to fall colors.
Classification: Plantae, Angiospermophyta, Rosales, Rosaceae
Locality: cultivar in Newark, Ohio, USA
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More info. at:
Iris sp. in Ohio, USA (1 June 2015).
Plants are multicellular, photosynthesizing eucaryotes. Most species occupy terrestrial environments, but they also occur in freshwater and saltwater aquatic environments. The oldest known land plants in the fossil record are Ordovician to Silurian. Land plant body fossils are known in Silurian sedimentary rocks - they are small and simple plants (e.g., Cooksonia). Fossil root traces in paleosol horizons are known in the Ordovician. During the Devonian, the first trees and forests appeared. Earth's initial forestation event occurred during the Middle to Late Paleozoic. Earth's continents have been partly to mostly covered with forests ever since the Late Devonian. Occasional mass extinction events temporarily removed much of Earth's plant ecosystems - this occurred at the Permian-Triassic boundary (251 million years ago) and the Cretaceous-Tertiary boundary (65 million years ago).
The most conspicuous group of living plants is the angiosperms, the flowering plants. They first unambiguously appeared in the fossil record during the Cretaceous. They quickly dominated Earth's terrestrial ecosystems, and have dominated ever since. This domination was due to the evolutionary success of flowers, which are structures that greatly aid angiosperm reproduction.
Classification: Plantae, Angiospermophyta, Asparagales, Iridaceae
Locality: cultivar in Celina, Ohio, USA
----------------
More info. at:
Kingdom : Animalia
Phylum : Arthropoda
Class : Insecta
Order : Lepidoptera
Family : Nymphalidae
Genus : Danaus
Species : Danaus chrysippus
=====================================
Kingdom : Plantae
(unranked) : Angiosperms
(unranked) : Eudicots
(unranked) : Asterids
Order : Asterales
Family : Asteraceae
Tribe : Heliantheae
Genus : Tridax
Species : Tridax procumbens
Hesperis matronalis Linnaeus, 1753 - dame's rockets in the Black Hills of South Dakota, USA (3 July 2015).
Plants are multicellular, photosynthesizing eucaryotes. Most species occupy terrestrial environments, but they also occur in freshwater and saltwater aquatic environments. The oldest known land plants in the fossil record are Ordovician to Silurian. Land plant body fossils are known in Silurian sedimentary rocks - they are small and simple plants (e.g., Cooksonia). Fossil root traces in paleosol horizons are known in the Ordovician. During the Devonian, the first trees and forests appeared. Earth's initial forestation event occurred during the Middle to Late Paleozoic. Earth's continents have been partly to mostly covered with forests ever since the Late Devonian. Occasional mass extinction events temporarily removed much of Earth's plant ecosystems - this occurred at the Permian-Triassic boundary (251 million years ago) and the Cretaceous-Tertiary boundary (65 million years ago).
The most conspicuous group of living plants is the angiosperms, the flowering plants. They first unambiguously appeared in the fossil record during the Cretaceous. They quickly dominated Earth's terrestrial ecosystems, and have dominated ever since. This domination was due to the evolutionary success of flowers, which are structures that greatly aid angiosperm reproduction.
Classification: Plantae, Angiospermophyta, Brassicales, Brassicaceae
Locality: along Greyhound Gulch Road, next to the waste rock pile of White Cap Mine (= Mica King Mine), next to the Edison Mine, east of the town of Keystone, Black Hills, western South Dakota, USA
----------------
More info. at:
Plants are multicellular, photosynthesizing eucaryotes. Most species occupy terrestrial environments, but they also occur in freshwater and saltwater aquatic environments. The oldest known land plants in the fossil record are Ordovician to Silurian. Land plant body fossils are known in Silurian sedimentary rocks - they are small and simple plants (e.g., Cooksonia). Fossil root traces in paleosol horizons are known in the Ordovician. During the Devonian, the first trees and forests appeared. Earth's initial forestation event occurred during the Middle to Late Paleozoic. Earth's continents have been partly to mostly covered with forests ever since the Late Devonian. Occasional mass extinction events temporarily removed much of Earth's plant ecosystems - this occurred at the Permian-Triassic boundary (251 million years ago) and the Cretaceous-Tertiary boundary (65 million years ago).
The most conspicuous group of living plants is the angiosperms, the flowering plants. They first unambiguously appeared in the fossil record during the Cretaceous. They quickly dominated Earth's terrestrial ecosystems, and have dominated ever since. This domination was due to the evolutionary success of flowers, which are structures that greatly aid angiosperm reproduction.
Classification: Plantae, Angiospermophyta, Asparagales, Iridaceae
----------------
More info. at:
Plants are multicellular, photosynthesizing eucaryotes. Most species occupy terrestrial environments, but they also occur in freshwater and saltwater aquatic environments. The oldest known land plants in the fossil record are Ordovician to Silurian. Land plant body fossils are known in Silurian sedimentary rocks - they are small and simple plants (e.g., Cooksonia). Fossil root traces in paleosol horizons are known in the Ordovician. During the Devonian, the first trees and forests appeared. Earth's initial forestation event occurred during the Middle to Late Paleozoic. Earth's continents have been partly to mostly covered with forests ever since the Late Devonian. Occasional mass extinction events temporarily removed much of Earth's plant ecosystems - this occurred at the Permian-Triassic boundary (251 million years ago) and the Cretaceous-Tertiary boundary (65 million years ago).
The most conspicuous group of living plants is the angiosperms, the flowering plants. They first unambiguously appeared in the fossil record during the Cretaceous. They quickly dominated Earth's terrestrial ecosystems, and have dominated ever since. This domination was due to the evolutionary success of flowers, which are structures that greatly aid angiosperm reproduction.
True lilies are native to the Northern Hemisphere in both the New and Old Worlds. They have been extensively cultivated as ornamental flowering plants.
The insect on the flower is Polistes dominula (Christ, 1791), the European paper wasp. This wasp species is native to the Old World. It first appeared in America in the 1970s.
Classification of plant: Plantae, Angiospermophyta, Liliales, Liliaceae
Classification of insect: Animalia, Arthropoda, Hexapoda, Insecta, Hymenoptera, Vespidae
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See info. at:
and
THE AGE OF FLOWERING PLANTS -
(Edited & Updated Oct 29, 2015)
ANGIOSPERM means "seed borne in vessel," while GYMNOSPERM means "naked seed," a reference to the lack of protective structure enveloping the seed. One reason that flowering plants were able to diversify so dramatically and spread during the Cretaceous and Cenozoic, or MODERN, the era was the evolution of new structures and tissues such as the carpel, a womb-like vessel that encloses angiosperm seeds and endosperm, a placenta-like tissue that nourishes the young plant as it develop within the seed, Today, angiosperm dominate terrestrial life on the planet. At an estimated 422,000 species, they compose by far the largest group of plants. They grow in greater range of environments, exhibits a wider range of growth habits, and display more variation in form than any living group of plants. In size, angiosperm range from tiny duckweed to eucaplytuses more than 330 ft (100 m) tall.
The explosion of angiosperm diversity has gone hand in hand with the proliferation of INSECTS, BIRDS, and OTHER ANIMALS that pollinate their flowers, disperse their fruits and seeds, and eat their leaves.
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En biologie, chez les plantes à fleurs (angiospermes), la fleur constitue l'organe de la reproduction sexuée et l'ensemble des « enveloppes » qui l'entourent. Après la pollinisation, la fleur est fécondée et se transforme en fruit contenant les graines. Les fleurs peuvent être solitaires, mais elles sont le plus souvent regroupées en inflorescences.
Très tôt, les fleurs ont attiré l’attention de l’homme, qui les utilise et les cultive pour la parure (couronne de fleurs), pour l’ornementation intérieure (fleurs coupées, bouquets, ikebana) et extérieure (jardins, plates-bandes, etc.) ainsi que pour leurs odeurs et pigments. Les fleurs ont souvent inspiré les artistes, peintres, poètes, sculpteurs et décorateurs. La culture des fleurs est la floriculture, une branche de l'horticulture.
La plupart des fleurs sont hermaphrodites, c'est-à-dire qu'elles ont à la fois des organes reproducteurs mâles et femelles : elles ont un pistil et des étamines. Les étamines sont la partie mâle (qui libère du pollen), et le pistil la partie femelle (qui reçoit le pollen). Certaines plantes comme le pistachier ou le kiwi ont des fleurs qui ne sont pas hermaphrodites : elles sont soit mâles, soit femelles, les scientifiques parlent de fleurs gonochoriques. D'autres plantes comme l'avocatier ont des fleurs qui sont successivement mâles et femelles, on parle alors d'hermaphrodisme successif.
La fleur hermaphrodite est constituée de pièces florales insérées sur un réceptacle floral. Lorsque la fleur est complète, elle comprend quatre verticilles de pièces florales. De l'extérieur vers l'intérieur, on rencontre :
le calice, formé par l'ensemble des sépales ;
la corolle, formée par l'ensemble des pétales ;
l'androcée, c'est-à-dire l'ensemble des étamines (partie mâle), qui produit le pollen ;
le gynécée ou pistil, formé par l'ensemble des carpelles (partie femelle).
Calice et corolle forment le périanthe, enveloppe stérile, qui joue un rôle protecteur pour les pièces fertiles, et attractif pour les animaux pollinisateurs.
Ce plan théorique de la fleur, que l'on trouve typiquement chez le bouton d'or (Renonculacées), est sujet à de nombreuses variations. On rencontre par exemple des fleurs sans pétales, dites « apétales ». Une fleur mixte est une fleur qui possède à la fois étamines et pistil.
« La fleur double est celle dont quelqu'une des parties est multipliée au-delà de son nombre naturel, mais sans que cette multiplication nuise à la fécondation. Les fleurs se doublent rarement par le calice, presque jamais par les étamines. Leur multiplication la plus commune se fait par la corolle. Les exemples les plus fréquents sont dans les fleurs polypétales, comme œillets, anémones, renoncules ; les fleurs monopétales doublent moins communément. Cependant on voit assez souvent des campanules, des primevères auricules, et surtout des jacinthes à fleur double. Ce mot de fleur double ne marque pas dans le nombre des pétales une simple duplication, mais une multiplication quelconque. Soit que le nombre des pétales devienne double, triple, quadruple, etc., tant qu'ils ne multiplient pas au point d'étouffer la fructification, la fleur garde toujours le nom de fleur double ; mais, lorsque les pétales trop multipliés font disparaître les étamines et avorter le germe, alors la fleur perd le nom de fleur double et prend celui de fleur pleine. »