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Alcea rosea, the common hollyhock, is an ornamental plant in the family Malvaceae. It was imported into Europe from southwestern China during, or possibly before, the 15th century.
A closer look at these beautiful flowers growing along the waterfront in Toronto
"Hollyhocks or Alcea is a genus of about 60 species of flowering plants in the mallow family Malvaceae, commonly known as the hollyhocks. They are native to Asia and Europe. The single species of hollyhock from the Americas, the streambank wild hollyhock, belongs to a different genus" - Wikipedia
Malerisch umgeben von zwei Armen der Havel liegt die Freundschaftsinsel in der Mitte Potsdams. Berühmt wurde sie durch die 1937 von Karl Foerster angelegten Schau- und Lehrgärten mit mehr als eintausend verschiedenen Stauden und über 250 Schwertliliensorten im Wassergarten. Hier kann man nicht nur bei einen Spaziergang die Natur und Garten genießen, sondern auch zahlreiche Skulpturen gibt es zu entdecken. Nicht zu vergessen das Inselcafé und der große Spielplatz, wo man als Familie den Tag verbringen kann. Die Freundschaftsinsel ist ein kleines Paradies unter den Grünanlagen von Potsdam.
www.reiseland-brandenburg.de/poi/potsdam/gaerten-und-park...
Picturesquely surrounded by two arms of the Havel, Friendship Island lies in the middle of Potsdam. It became famous through the show and teaching gardens created by Karl Foerster in 1937 with more than a thousand different perennials and over 250 varieties of iris in the water garden. Here you can not only enjoy nature and the garden on a walk, but there are also numerous sculptures to discover. Not to forget the island café and the large playground where you can spend the day as a family. Friendhip Island is a small paradise among the green spaces of Potsdam.
www.reiseland-brandenburg.de/poi/potsdam/gaerten-und-park...
Hollyhock seed stock (Alcea rosea) / Stockrose Samenkapsel
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Alcea is a genus of about 60 species of flowering plants in the mallow family Malvaceae, commonly known as the hollyhocks. Hollyhocks are annual, biennial, or perennial plants, The herbage usually has a coating of star-shaped hairs.
This is a small vintage window in our garage and this is where I store seeds to dry. It's a sunny place.
There are also the skeletalls of a bug and a spider :)
This is 2 inch wide.
Happy Macro Monday.
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Alcea setosa, the bristly hollyhock, an ornamental plant in the family Malvaceae.
The whole plant is bristly, hence its common name.
It flowers from April until June.
In folk medicine, the liquid of the plant is used to treat injuries, burns, coughs and inflammation. The flower buds are edible, cooked and raw, and are considered as medicine for sicknesses in the airways. In Lebanese villages, Bristly hollyhock flowers are dried in the sun, then mixed with other herbs and wild flowers, prepared as concoctions, and served as tea drinks.
Arches National Park Blooms in Arches National Park: April, May, June, July, August, September, October, November
Habitat in Arches National Park: desert shrub and pinyon-juniper communities
Location seen: widespread along park road, around Visitor Center area
Other: The genus name, “Sphaeralcea”, is from “sphaira” which means “globe” and “alcea” which is the name of a related genus (hollyhock), thus referring to the spherical fruits. The species name, “parvifolia”, means “small-leaved”.
Cotton and okra (Hibiscus) are in this family. Source: www.nps.gov/arch/learn/nature/malvaceae_sphaeralcea_parvi...
Alcea rosea, una pianta ornamentale della famiglia delle Malvaceae, biennale o perenne, molto diffusa allo stato spontaneo, apprezzata per la notevole rusticità e per l’abbondante fioritura.
Fra le rovine di Jerash (in arabo: جرش), l'antica Gerasa.
Captura: Camprodon, Vall de Camprodon, Ripollès, Catalunya.
CATALÀ
Alcea és un gènere botànic de la família de les malvàcies que inclou plantes com la malva reial (Alcea rosea). N'hi ha unes 60 espècies. Les fulles d'aquestes plantes són apreciades per les erugues d'alguns lepidòpters.
ENGLISH
Alcea setosa (Bristly Hollyhock) is prominent in its height and beauty in the spring, due to its impressively colored and large flowers which are arranged along an inflorescence stalk which is visible from afar. The leaves are carried on a long petiole. The blade is emarginate with a diameter of 15-20 cm. The leaf margin is smooth or dentate. As spring nears, a tall inflorescence stalk grows, which can reach a height of 2-3 m. The stalk is lignified, with alternate sessile leaves along it, with flowers in their axil. The leaves, the inflorescence stalk and the fruits are characterized by bristly hairs on their surfaces.
The bisexual flowers of Bristly Hollyhock are single and large, with a diameter of approximately 10 cm. The external involucre, which envelopes the sepals, is a calycle. This is a green and fused involucre with 6-9 lobes. The length of the involucre is almost identical to that of the calyx. There are 5 sepals and 5 petals. The corolla is pink, purple-violet and emarginate at its head. Sometimes the base of the corolla has a different color than the rest of the petal. There are numerous stamens and they are fused into a prominent yellow tube in the center of the flower. The stamen filaments are fused almost to the anthers. The pollen is sticky. Insects, especially bees, visit the flower and clumps of sticky pollen adhere to them. These will be passed, via the insect’s body, to another flower, and fertilization will take place. The ovary is composed of numerous carpels. Each ovary contains two loculi, and each loculus contains one seed.
The fruit is a schizocarp, i.e. a fruit that degrades into several seed-containing units. The schizocarp is round, with a flat base and is enveloped by the sepals and the calycle. Upon ripening it changes its color to brown and rigid bristly hairs are prominent on its surface.
In the summer, the schizocarp degrades and the seeds are dispersed. When rain falls, the seeds germinate and new plants will decorate the landscape.
Bristly Hollyhock has in recent years been sown alongside landscaped roads. Many varieties are known in gardening, with dark red to blue flowers.
The plant is common in most regions of Israel, in the Mediterranean area, on mountains, abandoned fields and in bathas.
Summergreetings for my friends! Happy Birthday dear Barbara!
Thanks for your visits!
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Hollyhocks (Alcea rosea) still hanging in after freezing weather.
Rendered as a pastel chalk drawing.
Pollen of common hollyhock.
[Stockrosen]
Pollen of the malvacea are comparatively big, so they can be photographed with visual light (no SEM necessary :-). The UV component increases color contrast significantly.
Background is the surface of the petal of the same plant.
Image width is 0.4 mm
Mitutoyo M Plan Apo 100x NA 0.70 tube lens: Thorlabs 165mm
Illumination: Oblique, UV (365nm) and backlight
Alcea is a genus of over 80 species of flowering plants in the mallow family Malvaceae, commonly known as the hollyhocks. They are native to Asia and Europe.The single species of hollyhock from the Americas, the streambank wild hollyhock, belongs to a different genus.
Hollyhocks are annual, biennial, or perennial plants usually taking an erect, unbranched form. The leaves usually have a coating of star-shaped hairs.
The flowers may be solitary or arranged in clusters. The notched petals are usually over three centimeters wide and may be pink, white, purple, or yellow.
Hollyhocks are popular garden ornamental plants, and are easily grown from seed. Breeds with red flowers attract hummingbirds and butterflies. Cultivars have been bred, especially from A. rosea. They include the double-flowered 'Chater's Double', the raspberry-colored 'Creme de Cassis', and 'The Watchman', which has dark maroon flowers.
The stems of hollyhocks can be used as firewood, and the roots have been used medicinally.
From Wikipedia