Taxon  Report   1694 
Castilleja exserta  (A.A. Heller) Chuang & Heckard
Owl's clover, purple owl's clover
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)

 Distribution by County 

© 2005 Robert Sivinski

© 2006 Steve Matson
 Plant Characteristics
 and Associations

Bloom Period
Communities: Valley Grassland, Coastal Sage Scrub, Foothill Woodland, Coastal Strand, Northern Coastal Scrub, Creosote Bush Scrub, Joshua Tree Woodland, Chaparral
Habitat: coastal [Walker]
Genus: Castilleja
Subspecies and Varieties:
Castilleja exserta ssp. exserta
Castilleja exserta ssp. latifolia
Castilleja exserta ssp. venusta
Add an Observation of Castilleja exserta
Name Status:
Accepted by TJM2 + PLANTS + JM93
Other Names:
(according to)

TJM2: Orthocarpus purpurascens
 Information about  Castilleja exserta  from other sources:
Photos on Picasa / Flickr / Google Images

website references on Google


Nursery availability and horticultural info on CNPLX

2012 Jepson Manual Treament from the Jepson Herbarium,
University of California, Berkeley

Original Publication citation. on the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center Native Plant Database

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 Calif. Herbaria.
[web application]. 2014. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Apr 20, 2014).

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

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