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(Last Modified On 5/29/2013)
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(Last Modified On 5/29/2013)
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Species
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Chelonanthus alatus (Aubl.) Pulle
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PlaceOfPublication
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Enum. Vasc. P1. Surinam 376. 1906.
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Synonym
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Lisianthus alatus Aubl., Hist. PI. Guiane Fr. 204, pl. 80. 1775.
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Description
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Herb, 1-5 m tall; stems erect, tetragonal to subterete, slightly winged on the angles, green. Leaves with the lamina broadly ovate to ovate-elliptic, attenuate at the base, acute to short acuminate at the apex, 4-18 cm long and 2.7-10.3 cm wide, thin-chartaceous, the lateral veins in 2 pairs, strongly arcuate, the costa and veins conspicuous beneath. Inflorescences axillary or terminal, borne in large laxly-flowered simple or compound dichasia, often appearing racemose; the peduncles 3.5-14 cm long, terete to subangulate; the pedicels 4-11 mm long, the bracts narrowly ovate, 2-3 mm long. Flowers 2.2-3.2 cm long; calyx 4-6 mm long, cupular, the lobes 2-3 mm long, ovate to subrotund, the margins ? membranous; corolla 2.2-3.2 cm long, greenish-yellow, the lobes 5-7 mm long and 6-8 mm wide at the base, ovate, acute at the apex, erect; stamens included or short-exserted, the filaments inserted ca. 1/4 from the base of the corolla, fili- form, 1.4-2 cm long, the anthers reflexed, inconspicuously mucronate apically; pistil 2-3 cm long, included or short exserted, the ovary oblongoid, 4-6 mm long, 3-4 mm in diameter, the style terete, thickened, the stigma of 2 flattened oblong lobes, the lobes 3-4 mm long, 6-8 mm in diameter, beaked, the beak (persistent style) to 1.8 cm long; seeds tetragonal to slightly irregular, the testa reticulate, 0.2-0.3 mm long.
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Habit
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Herb
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Distribution
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Mexico, Central America and southward to Brazil.
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Note
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A common large herb known locally in Panama as "arbol de mal casada" (Aviles 50).
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Common
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arbol de mal casada
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Specimen
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CANAL ZONE: Between Summit and Gamboa, Greenman & Greenman 5236 (MO). Pipe- line road, Croat 12744 (MO). Pipeline Road within 5 mi. of Gamboa Gate, D'Arcy & D'Arcy 6198 (C, MO). Paraiso, Dwyer 7160 (MO). Road C-21, Duke 5768 (GH, MO). 1 mi. N of Summit, Tyson et al. 2764 (GH, MO); Tyson & Blum 1950 (MO). C-2 of Fort Clayton, Harvey 5111 (F). Las Cascadas plantation near Summit, Standley 29572 (US). Rio East Paraiso, Standley 29835 (US). Rio Pedro Miguel near East Paraiso, Standley 30022 (US). Obiso, Standley 31738 (US). Barro Colorado Island, Aviles 50 (F); Croat 4368 (MO); Shat- tuck 473 (F, MO); Woodworth & Vestal 710 (F, GH, MO). Frijoles, Ebinger 635 (MO). Road C-21, 3 mi. from Gaillard Highway, Croat 13004 (MO). COCLE: Hills S of El Valle de Anton, Allen 2800 (MO, US). COLON: Between Rio Piedras and Puerto Pilon, Lewis et al. 3228 (COL, MO, UC). Portobelo, D'Arcy & D'Arcy 6681 (MO). About 1 mi. W of Porto- belo, Gentry 1740 (MO). 4 mi. SW of Portobelo, Croat 14110 (MO). Santa Rita, Correa & Dressler 1036 (A, MO). Santa Rita Ridge, Croat 15301 (MO). Lumber road about 8 km NE of Santa Rita, Wilbur & Weaver 10869 (MO). Wooded slopes on Santa Rita Ridge about 5 mi. from highway at Sabanita, Wilbur & Luteyn 11843 (MO). Near Sabanita, Croat 11073 (MO). CHIRIQUI; Near San Felix, Pittier 5431 (US). Finca Lerida to Boquete, Woodson et al. 1111 (GH, MO). Ca. 1 mi. SW of Boquete, Allen 4723 (MO). DARIEN: Cana and vicinity, Williams 822 (US). PANAMA: Cerro Campana, Allen 2093 (F, GH, MO, US); Duke 8670 (MO); Correa & Dressler 371 (A, MO); Lewis et al. 1911 (GH, MO, US), 3050 (COL, MO, UC); Weaver & Foster 1696 (DUKE); Kirkbride 256 (MO); Tyson 6442 (MO).
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