Taxon  Report   4055 
Helianthus petiolaris  Nutt.  ssp. petiolaris 
Prairie sunflower
Helianthus petiolaris ssp. petiolaris
© 2015 Richard Spellenberg
More photos from
CalPhotos / Calflora
Helianthus petiolaris ssp. petiolaris
© 2015 Richard Spellenberg
Helianthus petiolaris ssp. petiolaris, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Helianthus petiolaris ssp. petiolaris
© © 2015 Richard Spellenberg
Genus: Helianthus
Parent Record Helianthus petiolaris
weed, characteristic of disturbed places, Creosote Bush Scrub
Habitat: disturbed
Distribution by County 

Add an Observation of  Helianthus petiolaris ssp. petiolaris

Name Status:
Accepted by JEF + PLANTS + JM93
More information about  Helianthus petiolaris ssp. petiolaris
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on CalPhotos / 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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Aug 20, 2018).

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