Taxon  Report   3555    
Euphorbia helioscopia  L.
Madwoman's milk,  Wartweed
Euphorbia helioscopia
© 2007 Luigi Rignanese
Photos from
CalPhotos / Calflora
Euphorbia helioscopia
© 2006 Luigi Rignanese
Euphorbia helioscopia
© 2005 Luigi Rignanese
Euphorbia helioscopia, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Euphorbia helioscopia
© 2017 James Bailey
Genus: Euphorbia
Communities: weed, characteristic of disturbed places


Habitat: disturbed

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Galarhoeus helioscopius
PLANTS: Tithymalus helioscopius
More information about  Euphorbia helioscopia
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (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:   (Accessed: Jan 23, 2019).