Astragalus ertterae
Appearance
Walker Pass milkvetch | |
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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. ertterae
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Binomial name | |
Astragalus ertterae Barneby & Shevock
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Astragalus ertterae is a rare species of
Sierra Nevada. It is endangered by trampling, trail use, and also grazing.[1]
It is only found in the northeast corner of Kern county, in the Sierra Nevada. It's bloom period is April and May.[2]
Description
Astragalus ertterae is hairy perennial herb with a stem no more than 10 centimeters long, much of which grows underground. There are 4 or 5 leaves which are a few centimeters long and made up of several oval-shaped leaflets. The dense inflorescence holds up to 17 cream-colored flowers, each about a centimeter long. The fruit is a swollen, hairless legume pod which dries to a leathery texture.
It is closely morphologically related to Astragalus bicristatus.[3]
References
- ^ "Astragalus ertterae, Walker Pass milkvetch". www.fs.usda.gov. Retrieved 2023-08-04.
- ^ "Astragalus ertterae Calflora". www.calflora.org. Retrieved 2023-08-04.
- ISSN 0065-6275.
External links
- CalFlora Database: Astragalus ertterae (Walker Pass milk vetch)
- Jepson Manual eFlora (TJM2) treatment - Astragalus ertterae
- The Nature Conservancy
- USDA Plants Profile for Astragalus ertterae (Walker Pass milk vetch)
- BLM Profile of Astragalus ertterae
- {http://calphotos.berkeley.edu/cgi-bin/img_query?where-taxon=Astragalus+ertterae&where-anno=1 UC Photos gallery — Astragalus ertterae]