Calflora
Taxon  Report   9953    
Euphorbia exstipulata  Engelm.
Squareseed spurge
Euphorbia exstipulata
© 2010 James M. Andre
Photos from
CalPhotos / Calflora
Euphorbia exstipulata
© 2010 James M. Andre
Euphorbia exstipulata
© 2012 Keir Morse
Euphorbia exstipulata, a dicot, is an annual herb that is native to California, is also found elsewhere in North America and beyond, (questionable).

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Euphorbia exstipulata
© 2013 Don Davis
Communities: Creosote Bush Scrub

Toxicity: MINOR, DERMATITIS

Name Status:
Accepted by ICPN + PLANTS

Alternate Names:
PLANTS: Euphorbia exstipulata var. lata
More information about  Euphorbia exstipulata
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

USDA PLANTS Profile (EUEX4)

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 19, 2018).

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