Calflora
Taxon  Report   10922    
Hemizonia congesta  DC.  ssp. lutescens  (Greene) Babc. & H. M. Hall
Hayfield tarweed
Hemizonia congesta ssp. lutescens
© 2007 Neal Kramer
Photos from
CalPhotos / Calflora
Hemizonia congesta ssp. lutescens
© 2010 Zoya Akulova
Hemizonia congesta ssp. lutescens
© 2013 Robert Sikora
Hemizonia congesta ssp. lutescens, a dicot, is an annual herb that is native to California.

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Hemizonia congesta ssp. lutescens
© 2016 Andrew Longman
Communities: Northern Coastal Scrub, Valley Grassland

Serpentine affinity: 1.3; (weak indicator / indifferent)

Name Status:
Accepted by JEF

Alternate Names:
ICPN: Hemizonia multicaulis ssp. vernalis
More information about  Hemizonia congesta ssp. lutescens
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

USDA PLANTS Profile (HECOC2)

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Oct 18, 2018).

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