View allAll Photos Tagged HYPOXI
The yellow stargrass flower can easily be confused with a grass unless its distinctive flower is seen and like grass, they grow everywhere.
Yellow stargrass flowers are small, yellow, grass-like plants that grow only 12 inches tall and sport ¾ inch sunny blooms from March to June. They are found in open woodland, dry prairies, and meadow hillsides. Yellow stargrass flowers are also known as Common Stargrass, Common Star-grass, Yellow Star Flower, and Hypoxis hirsuta.
Common Goldstar or Yellow star grass (Hypoxis hirsuta) is a low, tufted, grass-like plant that grows from a hard corm. The corm is hard and hairy. It is found growing in open woodlands, abandoned fields, lawns, prairies, and other open areas. Although not an aggressive plant, it can spread to form colonies.
One of the specialisations of the Amsterdam Hortus is in the plants of South Africa. There's a large Pelargonium collection, but also many others. Among them in the special climate house is this pretty, golden-yellow bulbous African Star Grass. The rains drove me indoors so I had a good opportunity to carefully examine it.
This Hypoxis (see inset left) is very attractive to insects and I saw various kinds of Hoverflies. Among them this Melanostoma mellinum. I don't know of an English common name for it, but in Dutch it's called in English translation the Triangle Hoverfly. The reason is immediately obvious when you look at its markings in the right inset photo. The main photo shows a female; I've posted it so you can see her developing white eggs through her translucent 'skin'. She's ensuring for a new generation of her kind.
PS Note the lightly green halter. It's coloring from whitish-yellow to greener during the development of her eggs.
Hypoxis hirsuta (common goldstar, common star-grass, eastern yellow stargrass, yellow star grass) is an ornamental plant in the family Hypoxidaceae. Sometimes this plant is placed in the family Amaryllidaceae or the family Liliaceae. The species is native to the United States, Canada, and the State of Tamaulipas in northeastern Mexico.
In 1842 Julius Léopold Edward Avé-Lallemant (1803-1867), a German from Lübeck who worked at the Imperial Garden at St. Petersburg, Russia, from 1838 to 1855, waxes eloquent about this fine plant. To his description he adds parenthetically 'Species grandis atque spectabilis' (It's of a grand and spectacular kind). There are many kinds of Hypoxis, African Stargrasses, but this hairy, yellow-flowering one is particularly splendid.
This Stargrass is apparently quite prevalent in South Africa, especially in 'Basutoland' (today's Lesotho), where it was seen by Thomas Cooper (1815-1913) in 1861. Cooper was a London cabinet maker turned plant collector for the firm of N. Wilson Saunders of Surrey and the Royal Horticultural Society. He collected in South Africa between 1859 and 1862. Our plant has sometimes been called Hypoxis cooperi, to honor that intrepid and forceful collector who traveled under often very harsh circumstances. Obviously he knew what he was doing but he was not a scientific botanist nor did he keep a precise record of his findings.
Trying to discover the origin of the descriptions of this 'Hemerocallis' (Beauty of the Day), I was curiously stumped going further back than 1842. I'd expected to be able to find descriptions by earlier Dutch, French, German and English visitors to the Cape, but found none unequivocally of this Hypoxis (neither under any other name).
A yellow, 6-parted, 5/8" wide, star shaped flower.
Plant height: 4" to 12" tall.
Native.
Prefers a part shade to sun and wet to dry habitat in prairies and open woods.
Blooms Apr - Jul.
Also known as Common Goldstar.
Longleaf pine and longleaf pine habitats not only survive fires but are highly adapted to thrive within fire-evolved landscapes, and they are among the most species-diverse ecosystems in North America for both plants and animals.
I’m going to finish my series of recent shots from Apalachicola National Forest (ANF) with two or three installments of photos of Many-flowered Grass-pink (Calopogon multiflorus), my main target on this trip to ANF. There are four species of Calopogon orchids in the Atlantic and Gulf Coastal Plains, C. barbatus, C. multiflorus, C. pallidus and C. tuberosus. Of those, C. multiflorus is the least common and the only one I had never seen before.
Many-flowered Grass-pink has an extremely positive (and quick) response to early growing season fires in its habitat, and ANF had been doing considerable prescribed burning in recent months and weeks. Of the four Coastal Plain species of Calopogon, this one is unlikely to be found in the wetter, open, pitcher plant habitats. It prefers drier and more shaded habitat, so I looked in such areas that had burned most recently based on minimal amounts of green-up. The place where I found the orchid was showing some green-up of grasses and herbaceous vegetation, but the only plant I saw in flower besides the orchid was Yellow Star Grass, Hypoxis hirsuta. The Grass-pinks were literally occasional rays of pink ‘sunshine’ in an otherwise scorched landscape. Soon though, and throughout this years’ growing season, the burns will be flush with vegetative diversity including myriads of beautiful wildflowers.
Notice how many pine needles had fallen since the fire.
This was a new one on me. I had to search for the ID of this yellow wildflower I had never seen before. Also known as Yellow Star Grass, I found it growing in the woods at Caesar Creek State Park in Warren County, Ohio.
Savage/Christmas Creek Preserve, Orange County, FL, September 2024. FNPS, Tarflower Chapter field trip.
The natural history of Carolina, Florida, and the Bahama Islands :
London :Printed for B. White,1771.
Golden Weather-Grass (Hypoxis hygrometrica), looking vibrant as ever. Happy Floral Friday everyone! [Evan's Crown, NSW]
Common Yellow Stargrass (Hypoxis curtissii) - Tosohatchee Wildlife Management Area, 3365 Taylor Creek Rd, Christmas, Florida
Fringed Yellow Stargrass (Hypoxis juncea) - Hal Scott Regional Preserve, Orlando, East Orange County, Florida
Species from eastern North America except Florida
Common name: Yellow Star Grass, Common goldstar
Photographed in Burns Park, North Little Rock, Arkansas
The botany of the Antarctic voyage of H.M. discovery ships Erebus and Terror in the Years 1839-1843.
London :Reeve Brothers,1844-1860..
Free download under CC Attribution (CC BY 4.0). Please credit the artist and rawpixel.com.
Pierre-Joseph Redouté (1759 -1840) was a Flemish painter and botanist renowned for his exquisite watercolors of lilies, roses, and other native plant species. His prolific career spanned the turbulent years of the French Revolution and resulted in the "Raphael of Flowers" being regarded as one of the finest botanical illustrators of all time.
Higher resolutions with no attribution required can be downloaded: www.rawpixel.com/board/501485/les-liliacees-1805-pierre-j...
A farmer sprays liquid urea ammonium nitrate fertilizer to pre-emergent crops.
Photo Credit: P177 | WikiMedia Commons
Map illustrating the extent of coastal eutrophication and hypoxia in Europe including the Baltic Sea, Black Sea, Caspian Sea, and the Mediterranean. Each point represents an individual system experiencing either primary or secondary eutrophication symptoms, hypoxic (low oxygen) conditions in the water column, or where conditions are considered to be improving.
Illustrations of the botany and other branches of the natural history of the Himalayan Mountains :.
London :Wm. H. Allen,1839..
Hypoxis decumbens L.
HYPOXIDACEAE
Local: Lago Sul, Brasília, DF, Brasil.
Domínio fitogeográfico: Amazônia, Caatinga, Cerrado, Mata Atlântica, Pampa, Pantanal. Tipo de vegetação: Área Antrópica,
Ref.: Rede Lorenzi, H. Plantas Daninhas do Brasil. 4ª edição. Plantarum, 2008.
A yellow, 6-parted, 5/8" wide, star shaped flower.
Plant height: 4" to 12" tall.
Native.
Prefers a part shade to sunny and wet to dry habitat in prairies and open woods.
Blooms Apr - Jul.
Also known as Common Goldstar.
Free download under CC Attribution (CC BY 4.0). Please credit the artist and rawpixel.com.
Pierre-Joseph Redouté (1759 -1840) was a Flemish painter and botanist renowned for his exquisite watercolors of lilies, roses, and other native plant species. His prolific career spanned the turbulent years of the French Revolution and resulted in the "Raphael of Flowers" being regarded as one of the finest botanical illustrators of all time.
Higher resolutions with no attribution required can be downloaded: www.rawpixel.com/board/501485/les-liliacees-1805-pierre-j...
Free download under CC Attribution (CC BY 4.0). Please credit the artist and rawpixel.com.
Pierre-Joseph Redouté (1759 -1840) was a Flemish painter and botanist renowned for his exquisite watercolors of lilies, roses, and other native plant species. His prolific career spanned the turbulent years of the French Revolution and resulted in the "Raphael of Flowers" being regarded as one of the finest botanical illustrators of all time.
Higher resolutions with no attribution required can be downloaded: www.rawpixel.com/board/501485/les-liliacees-1805-pierre-j...