Taxon  Report   804    
Astragalus atratus  S. Watson  var. mensanus  M. E. Jones
Darwin mesa milk vetch,  Darwin mesa milkvetch
Astragalus atratus var. mensanus
© 2011 Dana York
Photos from
CalPhotos / Calflora
Astragalus atratus var. mensanus, a dicot, is a perennial herb that is native to California, is endemic (limited) to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Astragalus atratus var. mensanus
© 2011 Dana York
Family: FABACEAE  
Genus: Astragalus
Parent: Astragalus atratus
Communities: Sagebrush Scrub, Joshua Tree Woodland, Pinyon-Juniper Woodland
Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Astragalus mensanus
More information about  Astragalus atratus var. mensanus
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 23, 2019).