Taxon  Report   4040 
Helianthus annuus  L.
Hairy leaved sunflower, Sunflower, common sunflower
Helianthus annuus, a dicot, is an annual herb that is native to California and is also found elsewhere in North America and beyond.
 

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 Observation Hotline 
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 Distribution by County 


© 2003 BonTerra Consulting

© 2007 Louis-M. Landry
 Plant Characteristics
 and Associations



Bloom Period

© 2010 Louis-M. Landry
Communities: weed, characteristic of disturbed places, wetland-riparian
Habitat: disturbed [Walker]
Wetlands:Equally likely to occur in wetlands or non wetlands [U.S. Fish & Wildlife Service.]
Family: ASTERACEAE  
Genus: Helianthus
Add an Observation of Helianthus annuus
Name Status:
Accepted by TJM2 + PLANTS + JM93
Other Names:
(according to)

PLANTS: Helianthus annuus ssp. jaegeri
PLANTS: Helianthus annuus ssp. lenticularis
PLANTS: Helianthus annuus ssp. texanus
PLANTS: Helianthus annuus var. lenticularis
PLANTS: Helianthus annuus var. macrocarpus
PLANTS: Helianthus annuus var. texanus
PLANTS: Helianthus aridus
PLANTS: Helianthus lenticularis
 Information about  Helianthus annuus  from other sources:
Photos on Picasa / Flickr / Google Images

website references on Google

USDA PLANTS Profile (HEAN3)

Nursery availability and horticultural info on CNPLX

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

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

Original Publication citation. on the International Plants Names Index

Search efloras.org (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: http://www.calflora.org/   (Accessed: Apr 24, 2014).

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

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