Astragalus atratus var. mensanus Calflora

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Taxon Report

Astragalus atratus S. Watson var. mensanus M. E. Jones

Darwin mesa milk vetch, Darwin mesa milkvetch

2001 Dana York

Astragalus atratus var. mensanus is a perennial herb that is native to California, and endemic (limited) to California.

California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).


	Plant Range Observation Search ~24 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Parent:	Astragalus atratus
Genus:	Astragalus
Family:	Fabaceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Toxicity: Do not eat any part of this plant.

Communities: Sagebrush Scrub, Pinyon-Juniper Woodland, Joshua Tree Woodland

Name Status:
Accepted by JEF + JEF + CNPS + PLANTS

Alternate Names:


PLANTS	Astragalus mensanus

Information about Astragalus atratus var. mensanus from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (ASATM) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map CNPS Inventory: 1B.1 Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
photos / record / common / links mu28904:!mu28904:!mu28904:!mu28904:!

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 07/15/2025).