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(Last Modified On 10/1/2013)
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(Last Modified On 10/1/2013)
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Species
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Vigna lasiocarpa (Benth.) Verdc.
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PlaceOfPublication
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Kew Bull. 24: 539. 1970.
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Synonym
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Phaseolus pilosus H.B.K., Nov. Gen. Sp. P1. 6: 453: 1823. TYPE: not Vigna pilosa Baker (1874). Phaseolus hirsutus Benth., Comm. Legum. Gen. 76. 1837. SYNTYPES: Brazil, Martius, Poeppig, neither seen. not Vigna hirsuta Feay (1872). Phaseolus lasiocarpus Benth., Comm. Legum. Gen. 76. 1837. SYNTYPES: Brazil, Sieber, Martius, neither seen.
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Description
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Sturdy herbaceous vine; stems tomentose with yellowish spreading hairs. Leaves ovate, often shallowly trilobate, apically obtuse or rounded, mucronate, basally obtuse or rounded, mostly densely whitish tomentulose, more so beneath; petiolules tomentose; petiole and rachis pilose, the rachis short; petiole mostly shorter than the leaflets; stipels 1-2 mm long, elliptical or spatulate, ciliate but otherwise glabrate; stipules subulate, 4-6 mm long. Inflorescences few flowered congested pseudoracemes; peduncles mostly 12-30 cm long, slender, tomentu- lose; bracteoles 2, 6-8 mm long, subtending the calyx, subulate, caducous; bracts deltoid, ca. 2 mm long; pedicels stout, densely sericeous, 4-5 cm long. Flowers yellow, the calyx sericeous, campanulate, 6-9 mm long, the teeth slightly shorter than the tube; standard deeply emarginate, 1.5-3 cm long, the keel spiralled. Legume linear, 5-8 cm long, 5-8 mm wide, maturing black, pilose with subap- pressed tawny hairs, scarcely compressed between the seeds; seeds nearly black, shiny, 3-4 mm long, compressed subglobose, the hilum elevated and surrounded by an aril.
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Habit
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vine
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Specimen
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CHIRIQUI: Las Lajas near beach, Burt & Koster 162 (MO). Rio Fonseca, Koster 113 (MO). David airport, 25 ft, Lewis et al. 769 (MO). COCL: Between Aguadulce and Ant6n, 15-50 m, Woodson et al. 1217 (GH, MO). DARIEN: Isla Pedro Gonzales, Daike 10400 (MO). LOS SANTOS: Las Tablas-Pedasi, 0-100 m, Burt & Rattray 59 (MO). Between Tonosi and Macaracas, Oliver et al. 3538 (MO). PANAMA: Wet ditch in sugar plantation just NE of Tocumen, D'Arcy 13431 (K, MO, SCZ). Tocumen Airport, Dwyer 2882 (MO). Swamp between Rio Jagua and El Condor Hill, Hunter & Allen 470 (GH, MO). El Capitano 4 mi E of Chepo, Tyson 5352 (MO, FSU, DUKE). VERAGUAS: Hills W of Sona, Allen 1059 (MO, US).
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