| Bidens torta | |
|---|---|
 | |
| Flower head | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Bidens |
| Species: | B. torta |
| Binomial name | |
| Bidens torta | |
| Synonyms [3] | |
| |
Bidens torta, the corkscrew beggarticks, is a flowering plant species in the family Asteraceae. [4]
Methylated okanin derivatives can be isolated from Bidens torta. [5]
Those include okanin 3,4,3′,4′-tetramethyl ether, okanin 3,4,3′-trimethyl ether 4′-glucoside, okanin 4-methyl ether 4′-glucoside and okanin 4-methyl ether 4′-glucoside monoacetate.
Okanin 3,4-dimethyl ether 4′-glucoside can also be isolated.
In the chemical sciences, methylation denotes the addition of a methyl group on a substrate, or the substitution of an atom by a methyl group. Methylation is a form of alkylation, with a methyl group replacing a hydrogen atom. These terms are commonly used in chemistry, biochemistry, soil science, and the biological sciences.
Athysanus is a monotypic genus whose only species is Athysanus pusillus, the common sandweed.
Antennaria argentea is a North American species of flowering plants in the family Asteraceae known by the common name silver pussytoes or silvery everlasting. It is native primarily to Oregon and to northern and central California with additional populations in Nevada, Idaho, Montana, and Washington.
Antennaria corymbosa is a North American species of flowering plants in the family Asteraceae known by the common names flat-top pussytoes or meadow pussytoes. It is native to western Canada and the Western United States south as far as Tulare County in California and Rio Arriba County in New Mexico. It grows in moist, cool areas such as mountain meadows and riverbanks. Most of the populations are found in the Rocky Mountains, the Cascades, and the Sierra Nevada.
Astragalus platytropis is a species of milkvetch known by the common name broadkeel milkvetch. It is native to the western United States from Montana to California, where it lives at high elevation in alpine and subalpine plant communities. This is a small perennial milkvetch which forms a small patch of short silvery-green stems on rocky ground. The leaves may be up to 9 cm (3.5 in) long and are made up of several hairy leaflets. The inflorescence is a head of four to nine pale purple flowers, each just under 1 cm (0.39 in) long. The fruit is a bladdery legume pod which can exceed 3 cm (1.2 in) long.
Lupinus albifrons, silver lupine, white-leaf bush lupine, or evergreen lupine, is a species of lupine (lupin). It is native to California and Oregon, where it grows along the coast and in dry and open meadows, prairies and forest clearings. It is a member of several plant communities, including coastal sage scrub, chaparral, northern coastal scrub, foothill woodland, and yellow pine forest.
Astragalus scaphoides, the bitterroot milkvetch, is a flowering plant in the family Fabaceae, the third-largest plant family in the world. It is found only in a small area of southwest Montana and adjacent parts of Idaho. It grows on shallow, south-facing slopes, in semi-arid sage scrub.
Athyrium angustum is known as the northern lady fern, native to northeastern North America. It was long included in the superspecies Athyrium filix-femina, but is now largely recognized as a distinct species.
Ombuin is an O-methylated flavonol, a type of flavonoid. It is the 4',7-O-methyl derivative of quercetin.
Okanin is a chalconoid. It can be found in the plant Bidens pilosa.
Camissonia bairdii is a plant species endemic to Washington County, Utah. It occurs in clay soil in pinyon-juniper woodlands. The species is classified as critically imperiled.
Dubautia syndetica, the Wahiawa dubautia, is a plant species endemic to the island of Kauai in the state of Hawaii. It is found only in the upper portions of the Wahiawa drainage basin at elevations of 680–950 m.
Brazoria enquistii is a plant species in the family Lamiaceae. It is a rare plant known only from three counties in central Texas.
Antennaria arcuata, the box pussytoes, is a North American species of plants in the family Asteraceae. It grows in the western part of the United States, in the States of Idaho, Wyoming, and Nevada.
Antennaria densifolia, the denseleaf pussytoes, is a North American species of plants in the family Asteraceae. It is native to western Canada and the US states of Alaska and Montana. It grows in subalpine-alpine limestone talus.
Arnoglossum album, the Bay County Indian plantain, is a rare Florida species of plants in the sunflower family, first described to modern science in 1998. It has been found only in Bay and Gulf Counties in the Florida Panhandle.
Balduina atropurpurea, the purpledisk honeycombhead, is a North American species of plants in the sunflower family. It is native to the southeastern United States.
Boltonia apalachicolensis, common name Apalachicola doll's-daisy, is a North American species of plants in the family Asteraceae. It is found only in the "panhandle" region of northwestern Florida in the United States.
Chromolaena frustrata called Cape Sable false thoroughwort, or Cape Sable thoroughwort, is a rare North American species of flowering shrub in the family Asteraceae. It is found only in southern Florida, on the Florida Keys, inside Everglades National Park, and other nearby low-lying areas. It grows on coastal rock outcrops, the edges of hammocks, and other undisturbed sites at elevations less than 10 meters above sea level.
Asarum rosei is a species of flowering plant endemic to North Carolina in the southeastern United States. It was first formally described in 2017 by Brandon T. Sinn in Phytotaxa. The species is named for Mark Rose, "a respected plant collector, horticulturalist, orchid breeder, and naturalist who discovered and documented the species".
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