Taxon  Report   4045    
Helianthus exilis  A. Gray
Serpentine sunflower
Helianthus exilis
© 2009 Sierra Pacific Industries
Photos from
CalPhotos / Calflora
Helianthus exilis
© 2010 Sierra Pacific Industries
Helianthus exilis
© 2014 Richard Spellenberg
Helianthus exilis, a dicot, is an annual herb that is native to California, is endemic (limited) to California.
California Rare Plant Rank: 4.2 (limited distribution).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Helianthus exilis
© 2004 David A. Tharp
Genus: Helianthus
Communities: Chaparral, Foothill Woodland, wetland-riparian

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Serpentine affinity: 5.7; (strict endemic)

Habitat: seeps

Name Status:
Accepted by JEF + CNPS

More information about  Helianthus exilis
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 22, 2019).