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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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Aeschynomene brasiliana (Poir.) DC.
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PlaceOfPublication
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Prodr. 2: 322. 1825.
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Note
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TYPE: Brazil, Rio de Janeiro, Commerson (P, holotype, not seen; F, fragment).
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Description
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Prostrate or decumbent herb, stems to ca. 1 m long, glandular-hispidulous, crisp-pubescent. Leaves mostly 8-12 foliolate, less than 3 cm long; leaflets usually obovate, obtuse to rounded at each end, ciliate, mucronulate, sparsely pubescent, ca. 7 mm long, ca. 4 mm wide; stipules ovate, acuminate, 3-4 mm long, ca. 1- mm wide, glandular-hispidulous, ciliolate. Inflorescence racemose, axillary, 3-8 flowered; peduncles and pedicels hispid; bracts and bracteoles ovate, 1.0-2.5 mm long, 1.0-1.5 mm wide, hispidulous, ciliate, Flowers yellow, 5-8 mm long; calyx 1.5-3.0 mm long, ciliate, hispidulous; standard ca. 6 mm long, the claw ca. 1 mm long, the blade suborbiculate, ca. 5 mm in diameter, pubescent on the outer face, retuse, wings and keel equal to the standard, ca. 2 mm wide; stamens ca. 6 mm long. Fruit 2-3 articulate, the stipe 3-4 mm long, hispidulous with trichomes ca. 0.5 mm long, the articles 2-3 mm in diameter, moderately crisp-pubescent; seeds ca. 2 mm long, ca. 1.5 mm wide, dark brown. Chromosomes: n = 10.
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Habit
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herb
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Note
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This species is widespread throughout tropical America, but is represented in Panama by only a few collections. This species is distinguished from the super- ficially similar Aeschynomene histrix var. incana by the former's more prostrate habit, glandular-hispidulous stems, and fruits with longer stipes.
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Distribution
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widespread throughout tropical America
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Common
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pega-pega
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Specimen
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CANAL ZONE: Chiva-Chiva Trail, Red Tank to Pueblo Nuevo, Piper 5189 (F, US). Anc6n Hill, Standley 25153 (MO, US). Sosa Hill, Balboa, Standley 25275 (US). Balboa, Standley 25586 (US). Cerro Gordo, near Culebra, Standley 26042 (US). Sosa Hill, Balboa, Standley 26442 (US). Corozal, Standley 27369 (US). Along old Las Cruces Trail, between Ft. Clayton and Corozal, Standley 29111 (US). Balboa, Standley 29295 (US). Summit, Standley 30069 (US). PANAMA: Bald Hill, San Jose Island, Johnston 880 (GH). Agricultural Experiment Station of Matias Herndndez, Pittier 6908 (US). Corozal Road near Panama, Standley 26806 (US). Juan Franco race track near Panama, Standley 27724 (US). Taboga Island, Standley 28022 (US). Tumba Muerto Road near Panama, Standley 29747 (US). Between Las Sabanas and Matias Herndndez, Standley 31866 (US). Between Matias Herndndez and Juan Diaz, Standley 32083 (US). Rio Mar, Tyson et al. 2296 (FSU, PMA).
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