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(Last Modified On 4/9/2013)
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(Last Modified On 4/9/2013)
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Species
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Mandevilla hirsuta (L. Rich.) K. Schum.
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PlaceOfPublication
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Nat. PH. 4(2): 171. 1895.- FIG. 19.
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Synonym
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Echites hirsuta L. Rich., Act. Soc. Hist. Nat. Paris 1: 107. 1792.
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Description
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Lianas, moderately to densely pubescent, especially on the younger parts, the hairs uniseriate, white to brown. Leaves opposite, glandular along the mid- rib, elliptic to oblong-obovate, acuminate, auriculate basally, to 13 cm long and 7 cm wide, membranaceous, sparsely pubescent above and the hairs ? straight, more densely pubescent beneath and the hairs curved; petioles 1-3.5 cm long. Inflorescences racemose, axillary, 5-10(-17) cm long. Flowers with the pedicels 2-5 mm long; bracts elongate-rhomboid, pubescent, chartaceous, 8-15 mm long; calyx-lobes ? equal, ? lanceolate, pubescent, ca. 8-10 mm long, each with a single oppositely placed squamella; corolla infundibuliform, weakly arcuate, yel- low with a red or maroon throat, pubescent externally, especially in bud, the tube proper 25-32 mm long, pubescent within, the throat conic, 18-20 mm
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Habit
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Lianas
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Description
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long, the lobes ? obliquely dolabriform, 12-16 mm long and 9-12 mm wide, slightly spreading; stamens included, attached at the base of the corolla throat, the anthers ca. 2.5 mm long, the connective obtusely 2-lobed; nectaries con- crescent, almost as high as the ovary, the stigma conspicuously umbraculiform. Follicles moniliform, terete, pubescent, to 15 cm long; seeds somewhat canalic- ulate, 10-1 1 mm long.
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Distribution
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A common and widespread species in Central and South America.
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Specimen
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CANAL ZONE: 5 mi. NW of Cocoli, Tyson 1624 (MO). Vicinity of former town of Empire, Culebra Cut and vicinity, Hunter & Allen 779 (F, MO). Fort Davis, Higgins 340 (MO). Howard AFB, SE of Kobbe Beach, Oliver & MacBryde 1877 (MO). CHIRIQUI: Vicinity of El Boquete, Allen 1020 (MO), Davidson 637 (F, MO). Vicinity of Rio Tinta, along main highway, Woodson et al. 381 (MO). COCLE: Between Las Margaritas and El Valle, Woodson et al. 1246 (MO). HERRERA: 10 mi. S of OcUi, Tyson et al. 2871 (MO). LOS SANTOS: Loma Prieta, Cerro Grande, Lewis et al. 2211 (MO). PANAMA: Thickets and forests near Arraijan, Woodson et al. 778 (MO). Cerro Azul, Tyson 2130 (MO). Cerro Campana, bald savanna-like areas along road to top, Duke 5974 (MO); elfin forest beyond Motel Su-Lin, Duke 8654 (MO); wooded area along road, Ebinger 363 (MO). Cerro Jefe, cloud forest, Elias & Hayden 1794 (MO); Clusia forest, Tyson et al. 3234 (MO); 2-3 mi. S of Goofy Lake, Lewis et al. 281 (MO); 10-13 mi. beyond Goofy Lake, Duke 8014, 9421, 9428, (all MO). SAN BLAS: Inland from airport at Mandinga, Duke 8920 (MO).
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Note
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Woodson (Ann. Missouri Bot. Gard. 20: 767. 1933) considered this species unusually uniform for one of such a wide geographical distribution. He regarded the complex synonomy as due to the insufficient material and poor bibliographical aids of earlier authors.
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