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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 adenantha (G. F. Meyer) Marechal
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PlaceOfPublication
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Taxon 27: 202. 1978.
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Synonym
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Phaseolus adenanthus G. F. Meyer, Prim. Fl. Esseq. 239. 1818. TYPE: Cultivated, Hamburg [from Guyana], Meyer (?GOET, not seen).
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Description
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Twining vine, perennial; stems often stout, glabrous or hirsute with tawny mostly reflexed hairs. Leaves pinnate trifoliolate; leaflets slightly thick, ovate, apically acute, basally obtuse or rounded, the major veins prominent, mostly 6- 9 cm long, 4-7 cm wide, glabrate or inconspicuously pilose, mostly inconspic- uously ciliolate on margins and major veins beneath, sometimes barbulate at the base; petiolules 1-4 mm long, tomentose; petioles often exceeding the terminal leaflet, sparingly pubescent, drying angled, the rachis 2-4 cm long; stipels ovate, glabrous, thin, ca. 1 mm long; stipules 3-5 mm long, acute, striate, glabrate. Inflorescences 15-35 cm long, erect, mostly longer than the leaves, the nodes enlarged, mostly clustered at the apex but a few sterile nodes sometimes distrib- uted lower down; peduncle basally stout, narrowing upwards, glabrate; bracteoles ovate, nervate, mostly ca. 4 mm long, but sometimes exceeding the calyx; bracts ovate acuminate; pedicels shorter than the calyx. Flowers purplish or pink; calyx open campanulate, ca. 4 mm long, the upper teeth fused into an emarginate lip, the lower teeth about as long as the tube, narrow, standard suborbicular, 1.5-2.5 cm long, the keel forming 3 spirals. Legume linear, sometimes curved, 7-12 cm long, 8-10 mm wide, glabrate or pubescent, turgid, beaked; seeds ovoid, 3-5 mm long, brown.
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Habit
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vine
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Note
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For a lengthy list of synonyms see Marechal et al. 1978. Only this name has been used for Panamanian plants.
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Specimen
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BOCAS DEL TORO: Changuinola to 5 mi S at junction of Rio Terebe, 100-200 ft, Lewis et al. 931 (MO). Chiriqui Lagoon, Wedel 1068, 1242 (both MO, US). Water Valley, Wedel 1515 (MO, US), 2751 (GH, MO, US). CANAL ZONE: Chagres, Fendler 71 (MO). Anc6n Hill, Greenman & Greenman 5085 (MO). Near Bohio, 10-20 m, Maxon 4771 (US). Frijoles, Pittier 2691 (US). Grounds of Fort San Lorenzo, Porter et al. 5000 (MO). Old Las Cruces Trail between Fort Clayton and Corozal, Standley 29215 (US). Summit, Standley 30116 (US). Curund6, Tyson & Lazor 7147 (PMA). CHIRIQUI: Las Lajas, Burt & Koster 163 (MO). Near Rio Fonseca, Burt & Koster 169 (MO). Quebrada Melliza 6 mi S of Puerto Armuelles, 0-150 m, Liesner 509 (F, MO). COCL: Mountains beyond La Pintada, 400-600 m, Hunter & Allen 540 (MO). Panamerican Highway at Rio Chico bridge 1/2 mi S of Natd, Nee 10774 (MO). Penonom6, 50-1000 ft, Williams 393 (US). DARIEN: Puerto Indio (Samb6), Hammel 1104 (MO). Samb6 River, Pittier 5532 (US). HERRERA: Near Cupampa, 0-100 m, Burt & Koster 85A (MO). Oct!, Stern et al. 1748 (MO). Las Minas, Stern et al. 1799 (MO). LOS SANTOS: 5 mi S of Pocri, D'Arcy & Croat 4208B (MO). PANAMA: Panama Viejo, 5-10 m, Dodge 18 Jan. 1935 (MO); Dwyer 2178 (MO). Vera Cruz, Lewis et al. 2992 (DUKE, MO). Savanas, Macbride 2661 (US). Tumba Muerto Road near Panama, Standley 29801 (US). Juan Diaz, Standley 30499 (US). Between Matias Hernindez and Juan Diaz, Standley 31968 (US). La Capitana, Taylor 25 (PMA). 2 km entrada camino Cerro Azul, Galera Barleta, Taylor 95 (PMA).
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