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|Family: Euphorbiaceae||View Description||Dichotomous Key|
|Genus: Euphorbia||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Euphorbia polycarpa Benth.
Habit: Perennial herb, glabrous to hairy. Stem: prostrate to ascending, repeatedly forking, 2-faced. Leaf: opposite throughout, 2-ranked, subsessile; bottom-side stipules fused, top-side stipules free, +- triangular; blade 1--10 mm, round to ovate, entire, base asymmetric, tip acute to obtuse. Inflorescence: cyathia generally 1 per node; involucre 1--1.5 mm, bell-shaped; glands 4(5), < 1 mm, transversely oblong to elliptic, generally red to +- black; petal-like appendage narrower to wider than gland, entire to scalloped, white to red. Staminate Flower: 15--32. Pistillate Flower: styles forked 2/3. Fruit: 1--1.5 mm, spheric, lobed, glabrous or puberulent. Seed: 1--1.5 mm, ovoid, 4-angled, smooth, white to light brown; knob 0.
Ecology: Common. Dry, sandy slopes and flats; Elevation: < 1000 m. Bioregional Distribution: SW, D; Distribution Outside California: Nevada, Mexico. Flowering Time: All year
Synonyms: Chamaesyce polycarpa (Benth.) Millsp.
Unabridged Note: If recognized taxonomically, DMoj plants with hairy stems, leaves, involucre assignable to Euphorbia polycarpa var. hirtella Boiss.; relationship to glabrous plants needs study.
eFlora Treatment Author: David J. Keil, Thomas J. Rosatti, Mark H. Mayfield & Daryl Koutnik
Jepson Online Interchange
Previous taxon: Euphorbia platysperma
Next taxon: Euphorbia prostrata
Citation for this treatment: David J. Keil, Thomas J. Rosatti, Mark H. Mayfield & Daryl Koutnik 2016. Euphorbia polycarpa, Revision 1, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=25492, accessed on September 30, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on September 30, 2016.