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(Last Modified On 9/24/2013)
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(Last Modified On 9/24/2013)
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Species
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Canavalia villosa Benth.
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PlaceOfPublication
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Ann. Wiener Mus. Naturgesch. 2: 135. 1837.
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Note
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TYPE: Mexico, Karwinsky M12819 (M, not seen).
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Description
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Twining vine climbing on shrubs and trees, stems mostly puberulent with curved brownish hairs. Leaves pinnate trifoliolate; leaflets mostly 10-12 cm long, 5-8 cm wide, ovate or obovate, the lateral leaflets oblique, apically acuminate, basally obtuse or rounded, drying discolorous, pubescent along the veins and margin on both sides, mostly copiously pubescent on the lamina, especially be- neath; petiolules and petioles mostly densely pubescent. Inflorescence mostly 12-20 cm long; bracteoles ca. 2 mm long, often wider, pointed or rounded, mostly tomentose; pedicels obsolete or to 3 mm long. Flowers blue, purplish, or pink; calyx 17-20 mm long, often drying mottled, campanulate, the upper lip as long as or longer than the tube, prominently umbonate or not, sometimes slightly emarginate, glabrate to tomentose, the lowest tooth narrow, 2.5-4.5 mm long, longer than the deltoid lateral teeth; standard ca. 3.5 cm long, often drying brown- ish and striate. Legume mostly 14-17 cm long, ca. 2.5 cm wide, oblong, some- times slightly expanded apically, the beak short and hardly downturned, stipe evident or not, longitudinally ridged at the sutures and with 1 additional ridge 5- 10 mm from the sutures, long shaggy pilose when immature, at maturity evenly pilose with soft erect hairs; seeds 12-17 mm long, elliptical discoid, light brown, mottled, the hilum short, 6-7 mm long.
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Habit
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vine
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Note
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Canavalia villosa is distinct in a number of features; long calyx, long and narrow lowest calyx tooth, elongate upper calyx lip, narrow pointed bracteoles, and usually in its general overall pubescence.
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Distribution
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ranges from northern Mexico to Panama and has been occasion- ally collected in South America.
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Note
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In Panama most collections have been made in upland areas.
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Specimen
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CHIRIQUI: El Bard above Boquete, 1200-1800 m, D'Arcy 9932, 9934 (both MO). Lava flow between El Hato and Bambito, D'Arcy 10034 (MO). Lava fields near town of Volcan, Duke 9138 (MO, NY). From Boquete to 3 mi N, 3300-4200 ft, Lewis et al. 325 (MO, GH, US), 603 (GH, NY, US). 2.5 km W of Puerto Armuelles, 80 m, Liesner 57 (MO). San Felix 0-120 m, Pittier 5298 (GH, NY, US). Boquete, 3800 ft, Terry 1282 (A, F, MO, US). Baja Mono, 4000 ft, Terry & Terry 1648a (F). Lava flow 4 mi above Volcan, Tyson 7285 (PMA). COCL: El Valle de Ant6n, 1000-2000 ft, Lewis et al. 2612 (MO, SCZ). HERRERA: 4 mi S of Los Pozos, Tyson 2678 (MO). LOS SANTOS: 11 mi N of Tonosi, Tyson 2966 (SCZ). 12 mi S of Macaracas, Tyson et al. 3077 (MO, FSU). PANAMA: Debajo del puente de Juan Diaz, Lara 47 (F). VERAGUAS: Quebrada just S of Santa Fe, 450 m, Nee 8045 (MO).
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