Euphorbia dentata

Toothed poinsettia

Family: Euphorbiaceae · Type: annual · Not Native

Toothed poinsettia is a naturalized annual found in the San Joaquin Valley and Central Coast bioregions in disturbed sites at elevations below 300 meters. Flowering from July to August, this plant produces green and white cyathia in tight clusters at branch tips with inconspicuous flowers. Growing with erect stems 20 to 40 centimeters tall that feature spreading hairs and ascending branches, it develops a distinctive branching habit. Its leaves are alternate or opposite, with round to lance-shaped blades 2 to 6 centimeters long, coarsely toothed and soft-hairy on the underside. The fruit is a spherical, lobed structure approximately 4 to 5 millimeters across, containing small three-angled seeds with fine surface texture.

Habitat: Disturbed sites

Bloom period: Jul-Aug

Elevation: < 300 m

Bioregions: SnJV, CCo

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.