Taxon  Report   1694 
Castilleja exserta  (A.A. Heller) Chuang & Heckard
Owl's clover,  Purple owl's clover
Castilleja exserta
© 2008 Franco Folini
Click on a photo to see it bigger.
Castilleja exserta
© 2006 Shawn DeCew
Castilleja exserta
© 2005 Robert Sivinski
Castilleja exserta, a dicot, is an annual herb that is native to California and is also found outside of California, but is confined to western North America.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Castilleja exserta
© 2006 Steve Matson
Valley Grassland, Coastal Sage Scrub, Foothill Woodland, Coastal Strand, Northern Coastal Scrub, Creosote Bush Scrub, Joshua Tree Woodland, Chaparral
Habitat: coastal [Walker]
Distribution by County 

Add an Observation of  Castilleja exserta

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

TJM2: Orthocarpus purpurascens
More information about  Castilleja exserta
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 20, 2016).

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