Euphorbia spathulata Lam.

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)

warty spurge

Primary Disseminule Type

seed (with or without caruncle)

Description (diagnostics are in brown)

Fruit a capsule, spheric, 2–3 mm diameter, three-lobed, tubercled.

Seed ovoid in outline, somewhat compressed, cross-section biconvex to elliptic, 1.5–2 mm long x 1.3–1.6 mm wide x 1.1–1.2 mm thick. Surface dull to sparkly (the latter under magnification), glabrous, smooth (minutely pitted under magnification), dark brown with lighter-colored, raised netting. Caruncle present or absent, cream-colored to orangish. The seam (raphe) on the ventral side is ± covered by raised netting along the seam. Chalazal area unremarkable.

Hilum lighter than testa, ± round.

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)