(Last Modified On 9/25/2013)
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(Last Modified On 9/25/2013)
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Species
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Centrosema sagittata (Willd.) Brandegee ex Riley
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PlaceOfPublication
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Kew Bull. 1923: 344. 1923.
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Synonym
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Glycine sagittata H. & B. ex Willd., Enum. P1. 757. 1809. TYPE: not seen. Centrosema hastata Benth., Comm. Legum. Gen. 56. 1837. TYPE: Rudolphia dubia H.B.K., Nov. Gen. Sp. P1. 6: 432. tab. 591. 1823. TYPE: Colombia, not seen, cites Glycine sagittata Willd. Centrosema dubia (H.B.K.) Hemsley, Biol. Amer. Centr. 1: 294. 1880. Bradburya sagittata (Willd.) Rose, Contr. U.S. Natl. Herb. 8: 46. 1903.
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Description
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Slender, twining vine; stems wiry, puberulent, glabrescent. Leaves simple, hastate to deltate, the blades mostly 9-15 cm long, apically acute or acuminate, the basal lobes oblique and obtuse, glabrate, with puberulence on the midvein above; petiolule wrinkled, pilose, 3-4 mm long; petiole shorter than the blade, the conspicuous wing 2-9 mm wide, gradually tapering to the base; stipels sub- ulate, 2-nerved, about as long as the petiolules; stipules narrow, acute, promi- nently nervate, ca. 6 mm long. Inflorescences congested few flowered racemes, peduncle slender, mostly 1-2 cm long, becoming somewhat stout in fruit; bracts resembling the stipules, caducous, bracteoles 2, spathaceous, conspicuously ner- vate, to ca. 10 mm long. Flowers showy, mostly white, with some purple; calyx cupular, pubescent, the teeth subulate, ca. 5 mm long; standard orbicular, nearly flat, emarginate, ca. 5 cm long. Legume linear, flat, 12-18 cm long including the acicular beak, the beak 5-10 mm long, the margins evident, narrow, minutely puberulent overall, glabrescent; seeds plump, dark brown, ca. 5 mm long, the hilum along one edge.
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Habit
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vine
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Specimen
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CANAL ZONE: Near Ft. Kobbe, Allen 2026 (GH, MO). Madden Dam, 50 ft, Lewis et al. 17 (GH, MO). DARIEN: Without other locality, Bristan 1506 (MO). LOS SANTOS: Between Macaracas and Tonosi, 1.7 mi W of Highway 50 to El Cortezo, Hammel 5299 (MO). PANAMA: Between Bayano Dam and Cafnitas, D'Arcy 938 (MO). Cafnita de Chepo, Escobar et al. 274 (MO). VERAGUAS: above Santa Maria along road to Santiago, 250-300 m, Nee 8122 (MO).
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