Taxon  Report   1938    
Chamaesyce platysperma  (Engelm.) Shinners  
(no longer an active name; please see Euphorbia platysperma)
Flat seeded spurge,  Flatseed sandmat
Check for photos on
CalPhotos / Calflora
Chamaesyce platysperma, a dicot, is an annual herb that is native to California, Arizona, Sonora, Mexico.
also called Euphorbia platysperma

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Genus: Chamaesyce
Communities: Creosote Bush Scrub

Habitat: dunes

Name Status:
Accepted by ICPN + PLANTS

ICPN accepted name:
Euphorbia platysperma

Alternate Names:
PLANTS: Euphorbia platysperma
NOTE: Chamaesyce platysperma is no longer an active name.
More information about  Chamaesyce platysperma
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

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 17, 2019).