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(Last Modified On 9/30/2013)
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(Last Modified On 9/30/2013)
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Species
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Rhynchosia minima (L.) DC.
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PlaceOfPublication
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Prodr. 2: 385. 1825.
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Synonym
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Dolichos minimus L., Sp. P1. 726. 1752. LECTOTYPE: Jamaica, St. Jago de La Vega. Sloane, not seen (selected by Verdcourt, 1971).
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Description
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Herbaceous to suffrutescent vine; stems angular, puberulent to villosulose. Leaves trifoliolate, the leaflets ovate to ovate rhomboid to orbicular, 2.0-3.8 cm long, 1.0-3.0 cm wide, apically acute, basally cuneate to truncate, glabrous to finely strigulose above, puberulose to villosulose, gland dotted beneath; petiolule
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Habit
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Herbaceous to suffrutescent vine
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Description
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0.3-1.0 cm long, the terminal leaflet with longer petiolule; petiole 1.2-4.0 cm long; strigose; stipels subulate, ca. 1.0 mm long; stipules linear to lanceolate, 3.0- 10.0 mm long, 0.5-1.0 mm wide, persistent, villosulose. Inflorescence equal- ling or exceeding the leaves, 6.8-13.5 cm long, many flowered, the peduncle 1.2- 7.0 cm long, the pedicels ca. 2.0 mm long; bracts lanceolate, ca. 1.0 mm long, caducous. Flowers with the calyx not exceeding the corolla, 2.0-4.0 mm long, the lobes 1.0-3.0 mm long, lanceolate, the upper lobes united part way, puber- ulose, gland dotted; corolla yellow with purplish striations, puberulose, gland dotted, 5.0-7.0 mm long, 3.0-5.0 mm wide, the claw 1.0 mm long, the wings oblong, 4.0-5.0 mm long, 1.75-2.0 mm wide, the claw 1.0 mm long, the keel falcate, 5.0-6.0 mm long, 1.5-2.0 mm wide, the claw 1.0-2.0 mm long; stamens 5.0-7.0 mm long. Fruits oblong, ovate, strigose, gland dotted, 0.9-1.5 cm long, 0.3-0.4 cm wide, the beak 0.5-1.0 mm long; seeds ovoid, brown, black mottled ca. 3.0 mm long, ca. 2.0 mm wide, hilum ovate, 0.5-1.0 mm long, the strophiole lobes narrow.
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Distribution
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nearly cosmopolitan, occurring throughout Mexico and Central America and south into Argentina.
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Specimen
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BOCAS DEL TORO: Careening Cay, vicinity of Chiriqui Lagoon, von Wedel 2819 (MO, NY, US). CANAL ZONE: ?2 mi NW of Gamboa, 5 Apr. 1973, Liesner 1396 (F, MO); Standley 28527 (US). 2/2 km W of Gamboa, gravel along RR, Nee 9502 (F, GH, MO). Balboa, Standley 25646 (US), Standley 32143 (US). CHIRIQUf: Corotu, 6 km SW of the airport of Puerto Armuelles, Busey 398 (F, GH, MO, US). 1.6 m W of Puerto Armuelles, ca. 50 m, Croat 21934 (F, GH, MO, NY). Distrito Guanabano; Quebrada Quanabano, 0-100 m, Croat 22512 (F, MO). Quebrada Mellize, 6 km S of Puerto Armuelles; 0-150 m, Liesner 419 (MO, NY). PANAMA: Campo Experimental de Monte Oscuro, 12 km de Capira, Correa 1929 (MO). Riomar, Dwyer 1844 (MO). El Capitano, 3 mi E of Chepo, Tyson 5357 (MO). Tocumen, Dwyer 2583 (FSU, GH, NY). Forestry Reserve, Flores 28 (F). LOS SANTOS: Chitr6/Las Tablas, 0-100 m, Burt & Rattray 53 (MO). S mi S of Pocri, Croat 9732 (MO, SCZ). 6 mi S of Las Tablas, D'Arcy 4184 (MO). 12 mi S of Macaracas, Tyson et al. (MO, SCZ). VERAGUAS: Atalay/ Santiago, Koster 116 (MO).
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