Taxon  Report   1342    
Calyptridium quadripetalum  S. Watson
Four petaled pussypaws
Calyptridium quadripetalum
© 2012 Jake Ruygt
Photos from
CalPhotos / Calflora
Calyptridium quadripetalum
© 2012 Jake Ruygt
Calyptridium quadripetalum
© 1997 Dean Wm. Taylor
Calyptridium quadripetalum, a dicot, is an annual herb that is native to California, is endemic (limited) to California.
CNPS Rare Plant Rank: 4.3 (limited distribution).   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
Calyptridium quadripetalum
© 2012 Jake Ruygt
Genus: Calyptridium
Communities: Chaparral

Serpentine affinity: 4.6; (broad endemic)

Name Status:
Accepted by JEF + CNPS

PLANTS accepted name:
Cistanthe quadripetala

Alternate Names:
ICPN: Cistanthe quadripetala
More information about  Calyptridium quadripetalum
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 16, 2019).