Euphorbia cuphosperma |
Euphorbia spathulata |
|
---|---|---|
prairie spurge |
||
Habit | Herbs annual, 1–5(6) dm; stems, erect, glabrous. | |
Leaves | alternate (upper leaves may be opposite), obovate to spatulate, 10–30 × 5–15 mm; margins toothed at least in upper 25%; entire below; tips rounded; surfaces glabrous, sessile. |
|
Inflorescences | involucres cone- to bell-shaped, 2–3 mm; glands not horned. |
|
Flowers | styles divided nearly to base. |
|
Fruits | round, 2–2.5 mm. |
|
Seeds | ovoid to ellipsoid, 1–2 mm, with reticulate pitting. |
|
Euphorbia cuphosperma |
Euphorbia spathulata |
|
Distribution | ||
Discussion | Disturbed areas. Flowering Apr–Aug. 100–1000 m. BW, Sisk, WV. CA, ID, WA; throughout most of US, Ontario, Mexico. Native. See also E. helioscopia. |
|
Source | Flora of Oregon, volume 2, page 646 Stephen Meyers |
|
Sibling taxa | ||
Synonyms | Euphorbia dictyosperma | |
Web links |
|