Taxon  Report   48    
Acanthomintha duttonii  (Abrams) Jokerst
San mateo thorn mint
Acanthomintha duttonii
© 2013 Lech Naumovich
Photos from
CalPhotos / Calflora
Acanthomintha duttonii
© 2009 Neal Kramer
Acanthomintha duttonii
© 2009 Neal Kramer
Acanthomintha duttonii, a dicot, is an annual herb that is native to California, is endemic (limited) to California.
also called Acanthomintha obovata ssp. duttonii
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

It is listed by the State of California as Endangered and by the Federal Government as 'Endangered '.

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
Acanthomintha duttonii
© 2013 Lech Naumovich
Genus: Acanthomintha
Communities: Chaparral, Valley Grassland

Serpentine affinity: 6.1; (strict endemic)

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
ICPN + CNPS + PLANTS: Acanthomintha obovata ssp. duttonii
More information about  Acanthomintha duttonii
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).