Taxon  Report   4045 
Helianthus exilis  Gray
Serpentine sunflower
Helianthus exilis
© 2004 David A. Tharp
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Helianthus exilis
© 2010 Sierra Pacific Industries
Helianthus exilis
© 2014 Richard Spellenberg
Helianthus exilis, a dicot, is an annual herb 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 4.2 (limited distribution).   7th Edition  /  8th Edition

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one or more occurrences
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Plant Characteristics
and Associations

Bloom Period
Helianthus exilis
© 2009 Sierra Pacific Industries
Genus: Helianthus
Chaparral, Foothill Woodland, wetland-riparian
Habitat: seeps [CNPS Inventory]
Wetlands:Equally likely to occur in wetlands or non wetlands [U.S. Fish & Wildlife Service.]
AFFINITY to serpentine soil:   5.7 (strict endemic)   [Safford et al 2005]
Name Status:
Accepted by TJM2 + CNPS
More information about  Helianthus exilis
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 22, 2016).

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