| Basalt milkvetch | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Faboideae |
| Genus: | Astragalus |
| Species: | A. filipes |
| Binomial name | |
| Astragalus filipes | |
Astragalus filipes is a species of milkvetch known by the common name basalt milkvetch. It is native to western North America from British Columbia to California to Utah, where it grows in many types of habitat, especially dry areas.
Astragalus filipes is a clumpy perennial herb growing 30 to 90 centimetres (12 to 35 in) tall. The leaves are up to 12 cm long and made up of several widely spaced leaflets which are linear to oval in shape. The open inflorescence holds up to 30 off-white to pale yellow flowers each 1 to 1.5 cm long.
The fruit is a hanging legume pod up to 3 cm long. It is long and thin [1] and dries to a papery texture.
Astragalus is a large genus of over 3,000 species of herbs and small shrubs, belonging to the legume family Fabaceae and the subfamily Faboideae. It is the largest genus of plants in terms of described species. The genus is native to temperate regions of the Northern Hemisphere. Common names include milkvetch, locoweed and goat's-thorn. Some pale-flowered vetches are similar in appearance, but they are more vine-like than Astragalus.
Astragalus acutirostris is a species of milkvetch known by the common name sharpkeel milkvetch. It is native to the Mojave Desert and surroundings of California, Nevada, and Arizona, where it grows in dry, sandy, gravelly areas.
Astragalus asymmetricus is a species of milkvetch known by the common name San Joaquin milkvetch. It is endemic to California, where it grows in grassy and disturbed areas in the Central Valley and nearby parts of the Central Coast Ranges and San Francisco Bay Area.
Astragalus bolanderi is a species of milkvetch known by the common name Bolander's milkvetch. It is native to western Nevada and parts of the Sierra Nevada in California. It grows in dry, rocky habitat on mountain and plateau.
Astragalus casei is a species of milkvetch known by the common name Case's milkvetch. It is native to the Mojave Desert and its sky island woodlands of eastern California and western Nevada.
Astragalus congdonii is a species of milkvetch known by the common name Congdon's milkvetch. It is a perennial herb that is endemic to central California.
Astragalus deanei is a rare species of milkvetch known by the common name Dean's milkvetch, or Deane's milkvetch. It is endemic to southern San Diego County, California, where it grows on the slopes of the Peninsular Ranges between El Cajon and Tecate.
Astragalus didymocarpus is a species of milkvetch known by the common names Dwarf white milkvetch and Two-seeded milkvetch. It is native to the southwestern United States and northern Mexico, where it can be found in many types of habitat.
Astragalus gibbsii is a species of milkvetch known by the common name Gibbs's milkvetch. It is native to eastern California, the north-central Sierra Nevada, and western Nevada, where it grows in the pine forest habitat of the mountains and the sagebrush of the plateaus.
Astragalus inversus is a species of milkvetch known by the common name Susanville milkvetch.
Astragalus miguelensis is a rare species of milkvetch known by the common name San Miguel milkvetch. It is endemic to five of the eight Channel Islands of California.
Astragalus monoensis is a rare species of milkvetch known by the common name Mono milkvetch. It is endemic to the open pumice plains of central Mono County, California.
Astragalus oophorus is a species of milkvetch known by the common name egg milkvetch. It is native to the western United States, mainly California and Nevada, though one variety can be found as far east as Colorado. It is a plant of sagebrush and other dry habitat.
Astragalus oxyphysus is a species of milkvetch known by the common name Diablo milkvetch. It is endemic to central California, where it grows in dry grassland and scrub habitat in the Central Valley and the adjacent Inner Coast Ranges and Sierra Nevada foothills.
Astragalus panamintensis is a species of milkvetch known by the common name Panamint milkvetch.
Astragalus pulsiferae is a species of milkvetch known by the common name Ames's milkvetch. It is native to California and Nevada, and it is known but rare in Washington. It is known from many habitat types, including mountains and plateaus.
Astragalus tener is a species of milkvetch known by the common name alkali milkvetch. It is endemic to California, where it grows in both coastal and inland areas such as the Central Valley, especially in moist places.
Astragalus tricarinatus is a rare species of milkvetch known by the common name triplerib milkvetch, or triple-ribbed milkvetch.
Astragalus microcymbus is a species of flowering plant in the legume family known by the common name Skiff Milkvetch. It is endemic to Colorado in the United States, where it is known from Gunnison County and the edge of Saguache County. It was discovered in 1945 by Rupert Barneby, a British botanist. Currently, Skiff Milkvetch is experiencing population declines and is listed as Threatened.
Astragalus proimanthus is a species of flowering plant in the legume family known by the common name precocious milkvetch. It is a narrow endemic, occurring in an area of less than 320 acres near the town of McKinnon in southwestern Sweetwater County, Wyoming. It has four known populations, including one large population of more than 20,000 individuals, and is classified by NatureServe as G1 "because of extreme rarity".
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