Taxon  Report   9990 
Helianthus petiolaris  Nutt.
Prairie sunflower

Helianthus petiolaris
© 2010 Ron Wolf
Helianthus 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)

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 Plant Characteristics
 and Associations

Bloom Period
Helianthus petiolaris
© 2010 Ron Wolf
Genus: Helianthus
Subspecies and Varieties:
weed, characteristic of disturbed places, Creosote Bush Scrub
Habitat: disturbed [Walker]
Distribution by County 

Add an Observation of  Helianthus petiolaris

Name Status:
Accepted by TJM2 + PLANTS + JM93
 More information about  Helianthus petiolaris

Photos on CalPhotos / Google Images

website references on Google

UC Integrated Pest Management Weed Photo Gallery
(profile of this plant as an agricultural weed)

Jepson eFlora

Records from the Consortium of California Herbaria

Search (Flora of North America)

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]. 2015. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Nov 25, 2015).

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

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