Taxon  Report   2594 
Cypripedium californicum  A. Gray
California lady's slipper
Cypripedium californicum
© 2006 David McClurg
More photos from
CalPhotos / Calflora
Cypripedium californicum
© 2008 Sierra Pacific Industries
Cypripedium californicum
© 2008 Keir Morse
Cypripedium californicum, a monocot, is a perennial herb (rhizomatous) that is native to California, Oregon.
CNPS Rare Plant Rank: 4.2 (limited distribution).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Cypripedium californicum
© 2005 Hartmut Wisch
Genus: Cypripedium
Yellow Pine Forest, Freshwater Wetlands, wetland-riparian
Habitat: riparian, streambanks, seeps, bogs/fens
Wetlands: Occurs in wetlands
Toxicity: DERMATITIS   [California Poison Control System 2010]    
AFFINITY to serpentine soil:   4.5 (broad endemic)   [Safford et al 2005]
Distribution by County 

Add an Observation of  Cypripedium californicum

Name Status:
Accepted by JEF + CNPS + PLANTS + JM93
More information about  Cypripedium californicum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Photos on

Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Aug 18, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.