Astragalus panamintensis | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Fabales |
Family: | Fabaceae |
Subfamily: | Faboideae |
Genus: | Astragalus |
Species: | A. panamintensis |
Binomial name | |
Astragalus panamintensis | |
Astragalus panamintensis is a species of milkvetch known by the common name Panamint milkvetch.
It is endemic to Inyo County, California, where it is native to the Panamint Range. It grows from cracks in the limestone cliffs of the desert mountains.
Astragalus panamintensis is a small, brambly perennial herb having wiry, tangled, silvery green stems up to 15 cm (5.9 in) long. The leaves are up to 12 cm (4.7 in) long and are made up of a thin central shaft bearing a few widely spaced, pointed linear leaflets.
The inflorescence holds one to four pinkish-purple flowers, each around a centimeter long. The fruit is a roughly hairy legume pod which is somewhat triangular in cross-section and dries to a papery texture. It may be nearly 2 cm (0.79 in) long.
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 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 austiniae is a species of milkvetch known by the common name Austin's milkvetch. It is native to the Sierra Nevada of California and Nevada in the vicinity of Lake Tahoe. It is a plant of the alpine climate of the high mountains, where it tolerates exposed areas.
Astragalus bicristatus is a species of milkvetch known by the common names crested milkvetch and two-crested milkvetch. It is endemic to southern California, where it grows in the coniferous forests of the San Gabriel and San Bernardino Mountains of the Transverse Ranges.
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 cimae is a species of milkvetch known by the common name Cima milkvetch. It is native to the Mojave Desert and its sky island woodlands of eastern California western Nevada, especially on calcareous soils, including the Cima Dome area in the Mojave National Preserve.
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 gambelianus is a species of milkvetch known by the common name Gambel's dwarf milkvetch. It is native to California, with its distribution extending into Oregon to the north and Baja California to the south.
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 gilmanii is a species of milkvetch known by the common name Gilman's milkvetch. It is native to the desert scrub and woodland of Nevada, the California Sierra Nevada and Inyo Mountains, and it is known from a few locations in the Panamint Range adjacent to Death Valley in California.
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 nutans is a species of milkvetch known by the common name Providence Mountains milkvetch.
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 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.
Astragalus subvestitus is a species of milkvetch known by the common name Kern County milkvetch.
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 traskiae is a rare species of milkvetch known by the common name Trask's milkvetch. It is endemic to the southern Channel Islands of California, where it is known only from Santa Barbara Island and San Nicolas Island.