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(Last Modified On 3/20/2013)
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(Last Modified On 3/20/2013)
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Species
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Euphorbia graminea Jacquin
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PlaceOfPublication
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Sel. Stirp. Amer. 151, 1763.
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Synonym
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Euphorbia picta Jacquin, Coll. 3: 178, 1790.
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Description
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Herb, stems terete, not articulate, branching from base, sprawling to 1.5 m long. Leaves alternate, becoming opposite above; stipules obsolete; petiole to 2 cm long; blade oblong-elliptic to sublinear or rarely ovate, 2.5-4(-8) X 0.5-1.5(-5) cm, green, short pubescent or glabrous, the base acute to obtuse, the margin entire, the apex acute. Cyathia terminal on dichotomizing upper branches, funnelform, ca 1 mm diam; glands 2-4, minute, exappendiculate (extra-Panamanian specimens often with large white appendages). Capsule broadly ovoid, ca 3.5 mm diam, glabrous; seed ovoid, 1.5 mm long, angular, deeply punctate with pits in regular longitudinal rows, ecarunculate.
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Habit
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Herb
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Distribution
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Southern Mexico to northern South America. A very variable species in all parts of its range. It may, in fact, be a complex of separable taxa but many of the segregates made to date are unconvincing.
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Specimen
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CANAL ZONE: Farfan beach area, Tyson et al. 3171 (MO). DARIEN: trail from Rio Pucro to Quebrada Maskia, Duke 13054 (MO); vic of Yape, Allen 860 (F, MO). PROVINCE UNKNOWN: s. loc., Seemann 1241 (BM), 1649- (BM).
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