Taxon  Report   1319 
Calochortus westonii  Eastw.
Shirley meadows star tulip
Calochortus westonii
© 2008 Gary A. Monroe
Click on a photo to see it bigger.
Calochortus westonii
© 2008 Gary A. Monroe
Calochortus westonii
© 1982 Steve Lowens
Calochortus westonii, a monocot, is a perennial herb (bulb) that is native to California and is endemic (limited) to California.
It is included in the CNPS Inventory of Rare and Endangered Plants on list 1B.2 (rare, threatened, or endangered in CA and elsewhere).   7th Edition  /  8th Edition

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Plant Characteristics
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Bloom Period
Calochortus westonii
© 2007 Neal Kramer
Genus: Calochortus
Yellow Pine Forest, Mixed Evergreen Forest
Habitat: meadows [CNPS Inventory]
Wetlands:Occurs in wetlands in another region, but occurs almost always under natural conditions in non wetlands in California [U.S. Fish & Wildlife Service.]
Distribution by County 

Add an Observation of  Calochortus westonii

Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Calochortus caeruleus var. westonii
TJM2 + CNPS + PLANTS: Calochortus coeruleus var. westonii
More information about  Calochortus westonii
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 20, 2016).

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