(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 vexillata (L.) A. Rich.
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PlaceOfPublication
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Hist. Fis. Polit. Nat. Cuba 11: 191. 1845.
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Synonym
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Phaseolus vexillatus L., Sp. P1. 724. 1753. TYPE: Type not seen.
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Description
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Slender twining vines; stems mostly retrorsely pilose with long tawny hairs; roots tuberous. Leaves pinnate trifoliolate; leaflets mostly narrowly ovate, mostly 5-9 cm long, 2-3.5 cm wide, apically acute mucronulate, basally obtuse or round- ed, thin, pilose with white hairs, mostly glabrescent but remaining ciliate on the margins and the major veins beneath; petiolules 2-3 mm long, tawny pilose; petioles retrorsely hispid, shorter than the terminal leaflet; stipels subulate or narrowly acuminate, mostly ca. 2 mm long; stipules acute, striate, 4-8 mm long, hispid, auriculate. Inflorescences axillary, few flowered, 20-30 cm long; peduncle erect, retrorsely pubescent, the flowers congested at the apex; bracts and brac-
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Habit
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vines
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Description
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teoles caducous; pedicels 1-2 mm long. Flowers blue or lavender turning white or yellow; calyx short pubescent, 9-13 mm long, campanulate, the 5 teeth acu- minate subulate, about as long as the tube; standard 2-2.5 cm long, the keel incurved. Legume linear, 7-10 cm long, ca. 5 mm wide, slightly compressed, maturing black, densely pilose, somewhat glabrescent; seeds oblong, 4-5 mm long, dark, shiny, the hilum white.
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Specimen
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BOCAS DEL TORO: Almirante, Barrus 406 (GH). Between Almirante and Ojo de Agua, 3-6 km W of Almirante, 30-200 m, Croat 38208 (MO). Changuinola Valley, Dunlap 255 (US), 277 (F, US), 278 (GH, NY, US). Chiriquicito to 5 mi S along Rio Guarumo, Lewis et al. 2071 (MO). Water Valley, Wedel 1782A (MO). Isla Col6n, Wedel 2847 (GH, MO, US). CANAL ZONE: BARRO COLORADO ISLAND: Croat 5625, 6872 (both MO); Ebinger 77 (GH, MO). Frijoles, Croat 9056 (MO, SCZ), 10369 (MO). NW of Escobal, Croat 12448 (MO). Curundfi, D'Arcy 13429 (MO, SCZ). Vera Cruz, Duke 6064 (MO, US). West Ft. Kobbe towards Vera Cruz, Duke & Mussell 6565 (MO). Albrook, Dwyer 6565 (SCZ). Near Fort Clayton, Greenman & Greenman 5183 (MO). Gamboa, Kennedy et al. 2326 (MO). Between Frijoles & Monte Lirio, 30 m, Killip 12168 (US). Balboa, Standley 25644, 25576 (both US). Gamboa, Standley 28450 (US). Rio Pedro Miguel, near East Paraiso, Standley 30040 (US). Miraflores locks area, Tyson 1598 (FSU, MO). Fort Kobbe road, Woodson et al. 1414 (GH, MO). CHIRIQUT: Corotu, 6 km SW of Puerto Armuelles, Busey 400 (F, GH, MO). San Bartolo Arriba W of Puerto Armuelles, 125 m, Croat 26718 (MO). Near Rio Fonseca, 0-100 m, Koster 112 (MO). Puerto Armuelles, Liesner 24 (MO), 91 (MO, NY). COLON: Cotterman & Klawe p-lI (MO, US). DARIEN: El Real, Croat 15444 (MO). Road to Pinogana from El Real, Croat & Porter 15556 (MO). Pablo Othon's pasture [El Real], Duke & Bristan 284 (MO). 10 mi S of El Real on Rio Pirre, Duke 5481 (MO). Yaviza, Stern et al. 144 (MO, US). El Real, Stern et al. 286 (GH, MO, US); Tyson et al. 4647 (DUKE, F, FSU, GH, MO, NY, SCZ). PANAMA: Corozal road near Panama, Standley 26871 (US). Entrada esclusa Gattin, Taylor 59 (MO). First bend of Rio Pasiga, Gentry 2380 (MO).
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