Taxon  Report   11152    
Acmispon haydonii  (Orcutt) Brouillet
Pygmy lotus
Acmispon haydonii
© 1995 Saint Mary's College of California
Photos from
CalPhotos / Calflora
Acmispon haydonii
© 1995 Saint Mary's College of California
Acmispon haydonii, a dicot, is a perennial herb that is native to California, Baja California.
also called Lotus haydonii
CNPS Rare Plant Rank: 1B.3 (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
Acmispon haydonii
© 1995 Saint Mary's College of California
Family: FABACEAE  
Genus: Acmispon
Communities: Creosote Bush Scrub, Pinyon-Juniper Woodland
Name Status:
Accepted by JEF + CNPS

Alternate Names:
ICPN + CNPS: Lotus haydonii
ICPN: Hosackia haydonii
More information about  Acmispon haydonii
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

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 16, 2019).