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(Last Modified On 4/10/2013)
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(Last Modified On 4/10/2013)
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Species
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Prestonia portobellensis (Beurl.) Woodson
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PlaceOfPublication
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Ann. Missouri Bot. Gard. 18: 553. 1931.-FIG. 26C.
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Synonym
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Echites portobellensis Beurl., Kongl. Svenska Vetensk. Acad. Handl. 1854: 137. 1856. Prestonia versicolor Woodson, Ann. Missouri Bot. Gard. 23: 332. 1936.
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Description
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Lianas, stout, the stems mostly glabrous, rarely pubescent. Leaves elliptic or oblong-elliptic to ? obovate, sometimes falcate, acute, obtuse to rounded basally, to 18(-30) cm long and 8(-15) cm wide, ? glabrous, firmly mem- branaceous to subcoriaceous; petioles to 2 cm long, ? perfoliate, glandular in the axils. Inflorescences subcorymbose, mostly di- or trichotomous, rarely simple, the peduncle ca. 2-5 cm long. Flowers with the pedicels 10-28 mm long; calyx- lobes ovate to oblong-deltoid, ca. 10-1 3 mm long, ? tinged with purple, bear- ing 1 squamella within; corolla salverform, green-yellow to white, tinged with purple, with 5 epistaminal appendages, slightly exserted or reaching the orifice, the tube ca. 13-18 mm long, the lobe obliquely obovate, 10-13 mm long; sta- mens ca. half-exserted, the anthers 4-5 mm long, papillate dorsally; nectaries concrescent, the margins thin and diphanous, surpassing the ovary at anthesis. Follicles united apically at least when young, to 35 cm long, glabrous; seeds ca. 1 cm long.
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Habit
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Lianas
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Distribution
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Southern Mexico and Central America.
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Specimen
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BOCAS DEL TORO: Vicinity of Chiriqui Lagoon, von Wedel 1262, 2022, 2076, 2471 (all MO). CANAL ZONE: Fort Sherman on Pefia Road, Tyson & Ah Chu 1683 (MO). CHIRIQUI: Boquete, Davidson 684 (MO). COCLE: Vicinity of El Valle denAnton, Allen 1800, 3552, Hunter & Allen 372 (all MO). COLON: Vicinity of Camp Pina, Allen 3588 (MO). Cana and vicinity, Williams 940 (NY, holotype of Prestonia versicolor). DARIEN: Rio Balsa, between Manene and Tusijuanda, Duke 13580 (MO). Rio Chucunaque, between Rio Membrillo and Rio Subcuti, Duke 8605 (MO). HERRERA: Vicinity of Las Minas, Stern et al. 1808 (MO). PANAMA: Hills above Campana, Allen 1887 (MO). Cerro Campana Road, trail to mountain with cross, Kirkbride 244 (MO). San Jose Island, Duke 12566,, Johnston 767 (both MO). Taboga Island, Allen 1269 (MO). SAN BLAS: Perme, Cooper 327 (NY).
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Note
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Prestonia portobellensis is a common and variable species, especially in the shape of the calyx lobes.
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