Euphorbia spathulata |
Euphorbia peplus |
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reticulate seeded spurge, spatulate leaved spurge, warty spurge |
petty spurge |
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Habit | Glabrous annual, the stem erect, freely branched, 1-3 dm. tall. | |
Leaves | Lower leaves alternate, 1-3 cm. long, rhombic-ovate to rhombic-obovate, narrowed abruptly to very slender petioles 3-10 mm. long; floral leaves opposite, short-petiolate, broadly ovate, 10-25 mm. long. |
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Flowers | Inflorescence of cymes terminal on the branches; flowers tiny, monoecious, borne in involucres; staminate flowers numerous, naked, each consisting of a single stamen; pistillate flower single and terminal in the involucre; involucres 1-1.5 mm. long, bearing 4 glands with long, slender horns. |
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Fruits | Capsule smooth, 2.5 mm. long, separating into three 1-seeded segments. |
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Euphorbia spathulata |
Euphorbia peplus |
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Flowering time | May-July | May-November |
Habitat | Moist open areas, prairies, and woodlands. | Weed of disturbed ground. |
Distribution | Occurring east of the Cascades crest in Washington; eastern Washington to California, east across North America to the Atlantic Coast.
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Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
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Origin | Native | Introduced from Europe |
Conservation status | Not of concern | Not of concern |
Sibling taxa | ||
Web links |
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