Hemizonia congesta Calflora

Calflora

Taxon Report 4065

Hemizonia congesta DC.

Hayfield tarweed

Photos from
CalPhotos / Calflora

Hemizonia congesta, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.


	Interactive Distribution Map Observation Hotline (observation details) point, line, or polygon

Plant Characteristics
and Associations

Bloom Period


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Location Suitability
Distribution by County


Family:	ASTERACEAE
Genus:	Hemizonia
Subspecies and Varieties:
... ssp. calyculata ... ssp. clevelandii ... ssp. congesta ... ssp. lutescens ... ssp. luzulifolia ... ssp. tracyi

Communities: Valley Grassland, Northern Coastal Scrub, Foothill Woodland, Southern Oak Woodland

Name Status:
Accepted by JEF + PLANTS

More information about Hemizonia congesta


Nursery / seed vendor availability from CNPLX This plant is available commercially. Landscaping information from Calscape Photos on Google Images	UC Integrated Pest Management Weed Photo Gallery (profile of this plant as an agricultural weed) Jepson eFlora Records from the Consortium of California Herbaria ITIS Original Publication citation USDA PLANTS Profile (HECO7)	Search the International Plants Names Index Search efloras.org (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: https://www.calflora.org/ (Accessed: Jan 18, 2019).