The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

spurge

Habit Herbs or subshrubs with milky latex; stems usually erect but occasionally prostrate in some species.
Leaves

cauline, alternate (upper leaves sometimes whorled) or occasionally opposite, 1–15 cm;

surfaces usually glabrous, petiolate or sessile;

stipules 0 or greatly reduced.

Inflorescences

multiple individual flowers grouped into a cyathium of 5 groups of 5–many staminate flowers around a pistillate flower;

involucres usually with 4–5 prominent glands;

glands often with horn-like projections.

Flowers

sepals 0;

petals 0.

Staminate flowers

;

stamens 1.

Pistillate flowers

1; central;

styles fused at base.

Euphorbia polycarpa

Euphorbia

Distribution
[WildflowerSearch map]
[BONAP county map]
[BONAP county map]
Discussion

Worldwide. ~1500 species; 9 species treated in Flora.

Euphorbia dentata has been reported once in Sherman County (2008). If encountered again, it can be recognized by its dentate leaves. Older floras may include current members of Chamaesyce in this genus.

Source Flora of Oregon, volume 2, page 644
Stephen Meyers
Sibling taxa
E. crenulata, E. cyparissias, E. dentata, E. esula, E. helioscopia, E. lathyris, E. myrsinites, E. oblongata, E. peplus, E. spathulata
Subordinate taxa
E. crenulata, E. cyparissias, E. dentata, E. esula, E. helioscopia, E. lathyris, E. myrsinites, E. oblongata, E. peplus, E. spathulata
Web links