The World Flora Online

Trees, large, to 30 m tall before tree forks. Leaves 30-40 cm, lower leaves with 3-8 pairs of pinnae, leaves at apices of branches pinnate; rachis of leaves and of pinnae yellowish brown puberulent, glabrescent; leaflets 4-8 pairs, ovate or ovate-oblong, 7-13 × 4-7 cm, subleathery, lateral veins 8-12 pairs, base slightly oblique, broadly cuneate or rounded, margin entire, apex acuminate or acute. Racemes axillary, 20-25 cm, densely flowered; rachis pubescent at apex. Flowers erect at first, drooping later, scarlet, large. Pedicels 6-8 mm, pubescent. Petals lanceolate, ca. 2 × as long as and alternate with sepals, as receptacles and sepals yellowish brown puberulent. Stamens alternate with petals; filaments long, ca. 2 × as long as and much more exserted from corolla. Ovary long stalked, com­pressed. Legume purplish brown, flat, 8-15 × 1-2 cm, narrowly winged along ventral suture; wing 3-5 mm wide. Seeds 14-18, light brown. 2n = 24*.

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Por James L. Zarucchi

Acrocarpus fraxinifolius Arn., Mag. Zool. Bot. 2: 547. 1838.

Arboles de tamaño mediano a grande, ca 30 m de alto, inermes, frecuentemente fúlcreos en la base, corteza grisácea; ramas jóvenes con tomento aplicado, amarillento. Hojas 2-pinnadas, pinnas 3–5 pares, alternas a subopuestas; folíolos 4–9 pares por pinna, alternos a subopuestos, ovados a ovado-oblongos, 2–15 cm de largo y 2–7 cm de ancho, acuminados, algo oblicuos, pubescentes en el envés, glabrescentes, subsésiles; raquis 10–60 cm de largo, pubescente, subglabrescente, pecíolos 5–20 cm de largo, estípulas pequeñas, caducas. Inflorescencias racemosas, axilares y solitarias o 2–3 en los extremos de las ramas, un poco densas, generalmente 20–25 cm de largo, con la apariencia de un cepillo de botella, floreciendo antes del brote de las hojas, flores rojo brillantes, agrupadas a lo largo del eje, reflexas después de la antesis, pedicelo 6–8 mm de largo, receptáculo 6–8 mm de largo, pubescente; sépalos 5, 3–4 mm de largo, ápice redondeado, pubescentes; pétalos 5, subiguales, lineares, 6–10 mm de largo, cuneados; estambres 5, libres con filamentos conspicuos, cerca del doble de la longitud de los pétalos, anaranjado-amarillentos y basalmente verdes, gruesos, glabros; ovario libre, estipitado, con numerosos óvulos, estilo corto, estigma pequeño y terminal. Fruto comprimido, 8–15 cm de largo y 1–2 cm de ancho, con un ala angosta a lo largo de la sutura superior, 2-valvado, dehiscente, estipitado; semillas pocas a numerosas, comprimidas, café pálidas.

Ampliamente cultivada en los trópicos y esperada en Nicaragua. Género con 2 especies nativas de Asia tropical.

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Tree up to 30 m high, often with buttresses; bark grayish; young shoots appressed yellowish tomentose. Leaves unpaired bipinnate. Petiole 5–20 cm; main rachis 10–60 cm long, pubescent when young later sub-glabrous. Pinnae 3–5 pairs. Leaflets 4–9 pairs, ovate to ovate-oblong, acuminate, slightly oblique, subsessile, when young pubescent beneath later glabrous, 2–15 by 2–7 cm. Racemes 1–3 together, dense, 20–25 cm. Pedicel 6–8 mm. Flowers reflxed after anthesis. Receptacle pubescent, 6–8 mm long. Sepals pubescent, 3–4 mm long with rounded apex. Petals red, linear-cuneate, 6–10 mm long. Filaments yellowish-orange with green base, glabrous, thick, twice the length of the petals. Ovary with 15–20 ovules. Pods long-stalked, 8–15 by 1–2 cm, flat, slightly torulose, with a 3–5 mm broad wing along the upper suture. Seeds pale brown, compressed.

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In evergreen gallery-forests up to 1100 m. Flowering Jan.–Febr. after shedding the leaves.

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Thailand, India (Sikkim, Assam), Burma (type). Laos, Sumatra, Java.

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Timber used for indoor construction and for plywood.

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