Astragalus ertterae

Source: Wikipedia, the free encyclopedia.

Walker Pass milkvetch

Critically Imperiled  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Astragalus
Species:
A. ertterae
Binomial name
Astragalus ertterae
Barneby & Shevock

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

  1. ^ "Astragalus ertterae, Walker Pass milkvetch". www.fs.usda.gov. Retrieved 2023-08-04.
  2. ^ "Astragalus ertterae Calflora". www.calflora.org. Retrieved 2023-08-04.
  3. ISSN 0065-6275
    .

External links