Taxon  Report   1312 
Calochortus uniflorus  Hook. & Arn.
Large flowered star tulip
Calochortus uniflorus
© 2004 Aaron Schusteff
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Calochortus uniflorus
© 2014 Steve Matson
Calochortus uniflorus
© 2008 Keir Morse
Calochortus uniflorus, a monocot, is a perennial herb that is native to California and is found only slightly beyond California borders.
It is included in the CNPS Inventory of Rare and Endangered Plants on list 4.2 (limited distribution).   7th Edition  /  8th Edition

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point, line, or polygon

one or more occurrences
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Plant Characteristics
and Associations

Bloom Period
Calochortus uniflorus
© 2005 Mike Ireland
Genus: Calochortus
Northern Coastal Scrub, North Coastal Coniferous Forest, Mixed Evergreen Forest, Redwood Forest, Closed-cone Pine Forest, wetland-riparian
Wetlands:Occurs almost always under natural conditions in wetlands [U.S. Fish & Wildlife Service.]
AFFINITY to serpentine soil:   1.7 (weak indicator)   [Safford et al 2005]
Distribution by County 

Add an Observation of  Calochortus uniflorus

Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
More information about  Calochortus uniflorus
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Photos on CalPhotos / Google Images
Photos and ID tips from

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 24, 2016).

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