Prestonia portobellensis (Beurl.) R. E. Woodson

Bosques muy húmedos, áreas alteradas, márgenes de caminos y ríos.

Distribucion en Costa Rica: Faldas Cordillera de Guanacaste y Tilarán, Sarapiquí, Turrialba, vertiente atlántica, Pacífico Central (desde Carara) y Sur, Fajas costeñas de Puriscal, Acosta, Tarrazú & Quepos, elevación entre 0--1350 (2000) m.
Distribucion General: México a Colombia, norte de Venezuela y Ecuador.

Liana.

Liana, generalmente gruesa, glabra. Hojas membranosas o coriáceas, elípticas, oblonlanceoladas u oblongo -elípticas de 10 - 34,5 cm por (4) 5,5 - 18 cm, glabras, obtusas o corto - acuminadas, obtusas, redondeadas o algo cuneadas en la base, peciolo de 0,9 - 3 (8) cm largo, glandular en las axilas. Inflorescencia subcorymbosa, dicotómica o tricotómica, raramente simple, con muchas flores (11 - 29 ó más), pedicelo 0,7 - 2,4 cm largo, glabro o diminutamente piloso, pedúnculo más corto que las hojas adyacentes, 2,5 - 6 cm largo, bracteolas ovado lanceoladas de 1 - 3 mm largo, escariosas; lóbulos del cáliz ovados u oblongo - elípticos de 0,9 - 1,7 cm largo, verdes o moteado con púrpura; corola hipocrateriforme, verde - amarillo, blanco - morado o moteado con púrpura, glabra, tubo de 1,3 - 1,9 cm largo.Lóbulos oblicuamente obovados, 0,9 - 1,6 cm largo, los apéndices epiestaminales apenas exhertos o cercanos al orificio; anteras con la punta exherta, papilladas o algunas veces pubescente dorsamente de 5 - 6 mm largo, nectarios membranosos, sobrepasando el ovario en la antesis. Folículos glabros, algunas veces papillados, verde claro o verde oscuro, en ocasiones unidos en la punta de 30 - 65 cm largo, delgados; semillas 1 - 2 cm largo. Muy común, es encontrada con frecuencia en los bosques húmedos de bajura. El color de la corola es muy variable, pudiéndose encontrar desde tonos casi pálidos hasta variegados entre morado y amarillo.

Localidad del tipo: Panamá, Colón: Portobello.
Depositario del tipo: S
Recolector del tipo:

Prestonia schippii Woodson, Ann. Mo. Bot. Gard. 23 : 337. 1936
Fruticose or suffruticose liana; leaves firmly membranaceous, oblong-elliptic, 10-17 cm. long, 4r-7 cm. broad, abruptly and shortly acuminate, obtuse to rounded at the base, opaque, glabrous, the petioles 12-16 mm. long, glabrous or minutely papillate; inflorescence subcorymbose, simple, bearing 10-12 cream-colored flowers, the peduncle much shorter than the leaves; pedicels 12-15 mm. long, glabrous or very minutely papillate; bracts ovate-lanceolate, 1-2 mm. long, scarious, or the lowermost rarely somewhat larger and subf oliaceous ; calyx-lobes narrowly obovate-elliptic, acute, 10-12 mm. long, subcoriaceous, glabrous, slightly purpletinted; corolla salverform, minutely papillate externally, the tube 13-14 mm. long, about 3 mm. in diameter at the base, the epistaminal appendages wholly included, the lobes obliquely obovate, 9-10 mm. long; anthers minutely hirtellous dorsally, slightly exserted; nectaries concrescent, thin and somewhat diaphanous, conspicuously surpassing the ovary; follicles unknown.
Type locality: Eldorado, British Honduras; alt. 60 meters. Distribution: Known only frora the type locaUty.

Prestonia guatemalensis Woodson, Ann. Mo. Bot
Gard. 23: 339. 1936.
Fruticose liana; leaves firmly membranaceous, broadly obovate-elliptic, 18-25 cm. long, 8-10 cm. broad, shortly and acutely acuminate, obtusely cuneate at the base, glabrous, the petioles 10-15 mm. long; inflorescence lateral, twice dichotomous or thrice dichotomous, bearing several yellowish flowers, the peduncle 5.5-6 cm. long, glabrous; pedicels 9-12 mm. long, glabrous to minutely papillate; caly^-lobes rather broadly elliptic, obtusish to broadly acute, 7-9 mm. long, subcoriaceous, pale-green, evidently not suffused with purple, minutely papillate externally; corolla salverform, glabrous externally, the tube 18-20 mm. long, about 2 mm. in diameter at the base, the epistaminal appendages somewhat exserted, the lobes obliquely obovate, 12-13 mm. long; anthers glabrous, their tips exserted; nectaries concrescent, membranaceous, completely concealing the ovary; follicles 30-50 cm. long, relatively stout,
» glabrous.
Type locality: Sepacuite, Guatemala. Distribution: Guatemala.

Prestonia versicolor Woodson, Ann. Mo. Bot
Gard. 23: 332. 1936.
Fruticose or suffruticose liana; leaves firmly membranaceous, oval or oblongelliptic, 10-17 cm. long, 5-9 cm. broad, abruptly and shortly acuminate, obtuse or rounded at the base, opaque, glabrous, the petioles 13-21 mm. long, glabrous; inflorescence subcorymbose, dichotomous, bearing several to numerous purplish-yellow flowers, the peduncle much shorter than the leaves, glabrous; pedicels 14-16 mm. long, glabrous; bracts very minute, scarcely manifest; calyxlobes oblong-elliptic, acute to acuminate, 8-10 mm. long, membranaceous, green, inconspicuously flushed with purple, glabrous; corolla salverform, glabrous externally, the tube 12-16 mm. long, about 3 mm. in diameter at the base, the epistaminal appendages wholly included, the lobes obliquely obovate, 7-9 mm. long; anthers glabrous, slightly exserted; nectaries concrescent, thin, more or less diaphanous, conspicuously surpassing the ovary; follicles unknown.
Type locality: Cana and vicinity, Darien, Panama; alt. 600-1950 meters. Distribution: Eastern Panama.

Prestonia portobellensis (Beurl.) Woodson, Ann
Mo. Bot. Gard. 18: 553. 1931.
Echites portobellensis Beurl. Sv. Vet. Akad. Handl. 18S4: 137. 1856. Haemadictyon schizadenium Muell.-Arg. I^innaea 30: 431. I860. Prestonia macrocarpa Hemsl. Biol. Centr. Am. Bot. 2; 311. 1|81Prestonia schizadenia Hemsl. Biol. Centr. Am. Bot. 2: 312. 1881.
I^ruticose liana; leaves firmly membranaceous to subcoriaceous, oblong-elliptic, 9-29 cm. long 3-18 cm. broad, obtuse to abruptly and shortly acuminate, obtuse or rounded at the base, glabrous, the petioles 6-30 mm. long; inflorescence subcorymbose, dichotomously or trichotomously divided, rarely simple, bearing 8-30 purplish-yellow flowers, the peduncle much shorter than the subtending leaves, glabrous; pedicels 6-18 mm. long, glabrous to very minutely papillate; bracts ovate-lanceolate, 0.5-4 mm. long, scarious or slightly foliaceous below; calyx-lobes oblong-elliptic, acuminate, 11-17 mm. long, coriaceous to subcoriaceous, more or less flushed with purple, glabrous to indistinctly papillate externally; corolla salverform, glabrous to very minutely papillate externally, the tube 11-17 mm. long, 3-3.5 mm. in diameter at the base, the epistaminal appendages slightly exserted or at least reaching the orifice, the lobes obliquely obovate, 10-15 mm. long; anthers puberulent-papillate dorsally, the tips exserted; nectaries concrescent, membranaceous, conspicuously surpassing the ovary; follicles relatively slender, 33-35 cm. long, glabrous.
Type locality: Porto Bello [Panama].
Distribution: Oaxaca; Honduras and Salvador; Costa Rica and Panama.

Prestonia portobellensis là một loài thực vật có hoa trong họ La bố ma. Loài này được (Beurl.) Woodson miêu tả khoa học đầu tiên năm 1931.