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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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Stylosanthes viscosa (L.) Swartz
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PlaceOfPublication
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Prod. Veg. Ind. Occ. 108. 1788.
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Synonym
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Hedysarum hamatum f3 viscosa L., Plant. Jamaic. Pug. 20. 1759. TYPE: Jamaica, Sloane (BM, not seen).
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Description
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Herbs, stems ascending and spreading or prostrate and matted, much branched, to 1 m long, densely pubescent with viscid trichomes. Leaflets lan- ceolate to elliptic, to 15 mm long, 4 mm wide, acute to obtuse, the abaxial surface punctate, reddish, hispidulous, 2-4 pairs of conspicuous nerves; petioles 2.5-5.0 mm long, hispidulous, viscid, the rachis 1-2 mm long; stipular sheath 3.5-5.5 mm long, 3-5 nerved, the teeth subulate, hispidulous, viscid. Inflorescence spicate, 2-5 flowered; outer bracts usually trifoliolate, the inner bracts unifoliolate, the sheath equaling or slightly exceeding the teeth, hispidulous, viscid, 5-7 nerved; outer bracteole 1, 2.5-3.0 mm long, the apex ciliate; axis rudiment none; inner bracteole 1, 2.5-3.0 mm long, the apex ciliate. Flowers yellow, calyx tube 3-7 mm long, glabrous to puberulent; standard suborbiculate, 4-7 mm long, the wings 4-5 mm long, auriculate, spurred within at the base, the keel petals 3-4 mm long, falcate. Fruit a loment, 2-4 mm long, ca. 2 mm wide, the distal articulation fertile, reticulate nerved, puberulent, beak ca. 1.5 mm long, strongly uncinate to coiled.
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Habit
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Herbs
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Distribution
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ranges from western Mexico through central and north- ern South America to the eastern coast of Brazil.
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Note
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This species is frequently collected in Panama, and it is distinctive with its highly punctate leaf undersurface appearing reddish.
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Specimen
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COCLE: 3 mi NE of Ant6n, D'Arcy & Croat 4111 (MO). E of Nata, Duke 12386 (3) (NY). Penonome, Ebinger 1099a (F, MO). Road to El Valle, Ebinger 1099b (MO). Aguadulce, McDaniel & Cooke 14764 (FSU); Pittier 4983 (GH). Rio Hato Military Reserve, Tyson & Blum 2558 (FSU, MO, SCZ). HERRERA: Hills between Las Minas and Pese, 9-1200 m, Burch et al. 1336 (F, MO). Ocu, ca. 5 m S, Stern et al. 1689 (MO, US). 10 mi S of Ocu, Tyson et al. 2852 (FSU, SCZ). LOS SANTOS: Las Cruces to Macaracas, 100-200 m, Burt & Koster 102 (MO). PANAMA: Road to El Valle near Inter- american Highway, 0-100 m, Burt & Rattray 38 (MO). Near beach at Nueva Gorgona, Duke 4537 (MO). Playa near Rio Mar, Ebinger 507 (F, MO). 7 m W of Chepo, Gentry & Tyson 1633 (SCZ). VERAGUAS: Without exact locality, Bristan 795 (MO). La Mesa, Tyson 6049 (FSU, SCZ).
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