Astragalus deanei

Astragalus deanei

Imperiled  (NatureServe)
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fabales
Family: Fabaceae
Genus: Astragalus
Species: A. deanei
Binomial name
Astragalus deanei
(Rydb.) Barneby

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.

Description

Astragalus deanei is mostly hairless perennial herb growing erect to heights between 30 and 60 centimeters. The leaves are up to 18 centimeters long and are made up of oval-shaped leaflets with prominent midribs.

The open inflorescence holds up to 25 whitish flowers, each 1 to 1.5 centimeters long.

The fruit is an inflated legume pod 1.5 to 3 centimeters long which dries to a thin, papery texture. Its single chamber contains many seeds.

External links

This article is issued from Wikipedia - version of the 3/14/2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.