Astragalus bicristatus | |
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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. bicristatus |
Binomial name | |
Astragalus bicristatus | |
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. [1]
It has a global rank of G3, which means it is vulnerable. [1] It is found in the habitat of Yellow Pine Forests. It has major toxicity, probably from eating it. [2]
Astragalus bicristatus is a perennial herb sprawling outwards with stems to a maximum length approaching half a meter. The leaves are up to 14 centimeters long and are made up of very widely spaced narrow linear leaflets. The stems and foliage have sparse grayish hairs, giving them a rough texture. The inflorescence is a loose array of up to 20 pealike flowers. Each flower is between 1 and 2 centimeters long and is purple-tinted white to light greenish yellow. [3]
Its bloom period is between the months of May and August. [2]
The fruit is a hanging capsule 2 to 4 centimeters long and curved or crescent-shaped. It is fleshy when immature and leathery to woody when dried. [4]
Astragalus canadensis is a common and widespread member of the milkvetch genus in the legume family, known commonly as Canadian milkvetch. The plant is found throughout Canada and the United States in many habitats including wetlands, woodlands, and prairies.
Arabis aculeolata is a species of flowering plant in the mustard family known by the common name Waldo rockcress.
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 bernardinus, known by the common name San Bernardino milkvetch or the Lesser Three-keeled Milkvetch, is a species of milkvetch. It is a plant of desert and dry mountain slope habitat. It is native to California.
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 breweri is a species of milkvetch known by the common name Brewer's milkvetch. It is endemic to northern California, where it is found in several counties surrounding the north edge of the San Francisco Bay Area. It grows in open habitat in the North Coast Ranges, sometimes on serpentine soils.
Astragalus californicus is a species of milkvetch known by the common name Klamath Basin milkvetch.
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 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 clevelandii is an uncommon species of milkvetch known by the common name Cleveland's milkvetch. It is endemic to northern California, where it grows in moist areas of the North Coast Ranges. It is a member of the serpentine soils flora.
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 curtipes is a species of milkvetch known by the common name Morro milkvetch. It is endemic to the Central Coast of California, including the Morro Bay area in San Luis Obispo County.
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 ertterae is a rare species of milkvetch known by the common name Walker Pass milkvetch. It is endemic to California, where it is known from only three occurrences near Walker Pass in the Sierra Nevada. It is endangered by trampling, trail use, and also grazing.
Astragalus inversus is a species of milkvetch known by the common name Susanville milkvetch.
Astragalus inyoensis is a species of milkvetch known by the common name Inyo milkvetch.
Astragalus lentiformis is a species of milkvetch known by the common name lens-pod milkvetch. It is endemic to the Sierra Nevada in eastern Plumas County, California, where it grows in chaparral scrub and coniferous forests.
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 pycnostachyus is a species of milkvetch known by the common name marsh milkvetch. It is endemic to the coastline of California, where it grows in wet saline habitat such as marshes.
Astragalus webberi is a rare species of milkvetch known by the common name Webber's milkvetch. It is endemic to the coniferous forests in the Sierra Nevada, in Plumas County, eastern California.