Euphorbia crenulata Engelm.

Family: Euphorbiaceae

Pertinent Synonyms & Notes (particularly those used in California; go to GRIN for other synonyms)


Pertinent Common Names (particularly those used in California; go to GRIN for other common names)

Chinese caps

Primary Disseminule Type

seed (with or without caruncle)

Description (diagnostics are in brown)

Fruit a capsule, oblong, three-lobed, 3–3.5 mm long, glabrous.

Seed oblong in outline, mildly compressed, cross-section elliptic, 2–2.5 mm long x 1.5–2 mm wide x 1.4–2 mm thick. Surface dull, glabrous, minutely pitted (seen under magnification), sculptured with raised netting—netting light to dark orangish-brown, matrix light to dark gray. Caruncle absent or present, cream-colored to orangish. A prominent seam (raphe) on the ventral side connects the hilum to a depressed ring in the chalazal area.

Hilum variable in shape and size.

Similar Species

Similar Species Comparison Chart

Risk Assessment (codes in yellow or red indicate cause for concern; assessments are current as of mid-2011; click AUQP, NZBORIC, or NZBPI for access to the most recent versions of these databases and possible assessment changes)