Euphorbia cuphosperma |
Euphorbia |
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spurge |
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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. |
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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. |
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Flowers | sepals 0; petals 0. |
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Staminate flowers | ; stamens 1. |
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Pistillate flowers | 1; central; styles fused at base. |
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Euphorbia cuphosperma |
Euphorbia |
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Distribution | ||
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. |
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Source | Flora of Oregon, volume 2, page 644 Stephen Meyers |
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Web links |