Shrubs or trees, 6–7[–25] m. Prop roots numerous, arching, 2–4.5 m. Leaves: stipules lanceolate, leaving ring-shaped scar; petioles 1.5–2 cm; blade elliptic, 6–12 × 2.2–6 cm, thick, leathery, base rounded-cuneate, apex acute to obtuse, midvein extended into caducous point, abaxial surface pale green, black punctate, adaxial surface dark green, shiny; midvein conspicuous, higher order veins obscure. Inflorescences mostly 2–4-flowered, 4–7 cm. Flowers 2 cm diam.; hypanthium campanulate-funnelform, 5 mm; sepals widely spreading, pale yellow, lanceolate or narrowly triangular, 12 mm, leathery; petals recurved, creamy white, turning brown in age, narrowly lanceolate to linear, 6–10 × 1.5–2 mm, adaxially wooly, soon deciduous; anthers sessile; ovary conic; style slender; stigma receptive after stamens and petals fall. Berries persistent on tree until after seed germination, rusty or dark brown, 3 cm; sepals spreading to reflexed. Seed with hypocotyl becoming elongate, cylindric, to 12–25 × 1.2 cm, apex sharply pointed. 2n = 36.
1. Rhizophora mangle L., Sp. Pl. 443 (1753). Ilustr.: Standley y Williams, Fieldiana, Bot. 7: 267, t. 45 (1962).
Por F.R. Barrie.
Rhizophora mangle L. var. samoensis Hochr., R. samoensis (Hochr.) Salvoza.
Árboles hasta 30 m o arbustos, depauperados y muy ramificados. Hojas 5-20 × 2-10 cm, elípticas, el ápice agudo; pecíolo 1-4 cm; estípulas 3-7 cm. Inflorescencias ramificadas dicotómicamente 1-2 veces, rara vez 3 veces, o la primera ramificación tricotómica, o las flores solitarias; pedúnculo 1.5-8 cm, laxo; pedicelos 6-23 mm; brácteas 2 o 3, 5-20 mm, connatas, los márgenes escariosos, el ápice agudo a anchamente agudo; bractéolas 2, 5-20 mm, connatas, los márgenes escariosos, el ápice agudo a anchamente agudo. Yemas floríferas 8-14 mm, ovoides a piriformes; sépalos 6-8 × 2.5-3.5 mm en las flores, 12-15 × 5-7 mm en los frutos, triangulares; pétalos 6-8 × 1-2 mm, caducos, glabros abaxialmente, vilosos adaxialmente; estambres 8, 4-6.5 mm, sésiles, apiculados; estilo c. 4 mm. Fruto 28-33 × 12-15 mm; hipocótilo 11-40 cm, recto o curvado. 2 n =36. Zonas de marea, lagunas estuarinas y costeras, de aguas salobres. T ( Matuda 3329, MO); Ch ( Breedlove y Thorne 20773, MO); Y ( Rico-Gray 88, MO); C ( Rico-Gray 217, MO); QR ( Rico-Gray 207, MO); B ( Dwyer 15031, MO); G ( Molina 21151, F); H ( Saunders 535, F); ES ( González 71, MO); N ( Stevens 2740, MO); CR ( Liesner 1896, MO); P ( Hammel y D'Arcy 5047, MO). 0-10 m. (S. Florida, México, Mesoamérica, Colombia, Ecuador, Perú, Venezuela, Guayanas, Brasil, Antillas, O. de África tropical, Nueva Caledonia, Fiji.)
Rhizophora mangle L., Sp. Pl. 443. 1753.
Arboles 415 m de alto. Hojas elípticas, 814 cm de largo y 47 cm de ancho, ápice agudo, base cuneada, glabras, envés con puntos negros. Inflorescencia 1.76 cm de largo, ramificada una vez o no ramificada, con 24 flores agrupadas, pedúnculo 1.79 cm de largo, brácteas delgadas, bífidas; pedicelos 622 mm de largo, flores 810 mm de largo; estambres 8; yema floral ovada, ápice agudo. Fruto ovado-lanceolado, 1.53 cm de largo y 11.5 cm de ancho, radícula 1520 cm de largo.
Común, en pantanos costeros salobres (manglares) en ambas costas; 05 m; fl y fr febsep; Moreno 6557, Vincelli 657; México hasta Ecuador en la costa pacífica y desde Estados Unidos (Florida) hasta el sur de Brasil en la costa atlántica, también en Africa. "Mangle colorado".
Trees to 25 m. tall. Leaves obovate or elliptic, the apex obtuse, the base cune- ate, slightly decurrent on the petiole, 7-15 cm. long, 2.0-8.5 cm. broad, glabrous, coriaceous; petiole 1.0-2.5 cm. long. Inflorescence once-dichotomous and 2- flowered, rarely trichotomous and 3-flowered; peduncles 1.5-3.5 cm. long; pedicels 0.5-2.0 cm. long; bracteoles truncate-trapezoid. Floral buds ampullaceous, broad- est at the base, acuminate at the tip; sepals 11-15 mm. long, 4 mm. wide; petals involute, 9-11 mm. long, 2.0-2.5 mm. wide; stamens 8, 5.5-7.0 mm. long; ovary bilocular, half-inferior, the conical upper half terminating in a bifid style, the length of ovary from base of disc to tip of stigma 5-7 mm. Fruit 1.9-2.6 cm. long, 1.0-1.3 cm. wide, the protruding seedling up to 40 cm. long.
Shrub or small tree, to 15 ft. high
This species occurs along the Atlantic coast from Florida to Brazil and in the West Indies, and also occurs, though not so commonly, along the west coast of Africa. It grows only along the coast, either within the high tide zone or in lakes behind beaches or river estuaries in which it can become established. Under suitable conditions it forms dense stands in shallow water and apparently contributes to land building once it is established.
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Red mangrove |
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