Trees evergreen, 8-12 m tall. Branchlets glabrous. Petiole 2-3 cm, slender, glabrous; leaf blade oblong or obovate-oblong, broadest at middle or above, 12-20 × 4-7 cm, membranous or papery, glabrous or sparsely pilose at first, glabrescent, or pubescent only in vein axils, lateral veins 4 or 5 per side, prominent abaxially, conspicuous adaxially, veinlets conspicuous, more so abaxially, tapered into narrow and obtuse or rounded base, margin entire or minutely denticulate, apex acuminate or acute. Flowers axillary in upper part of twigs. Pedicel 2-4 cm, puberulent. Sepals 4 or 5, broadly ovate, ca. 5 mm, puberulent, apex rounded. Petals unequal in length, 6-8 mm, abaxially puberulent, incised at apices. Stamens shorter than petals. Ovary roughly pubescent; style 6-8 mm, glabrous. Capsule globose, 2-2.5 cm in diam., 3-or 4-valved; valves ca. 2 mm thick; prickles brown, 6-8 mm. Seeds black, shiny, ca. 8 mm; aril thin. Fl. Apr-May, fr. Sep-Oct.
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A tree. It grows 12-25 m tall. The leaves are simple and alternate. They are 10-20 cm long by 4-7 cm wide. The flowers occur singly in the axils of leaves. They are yellowish white. The fruit capsule is 3 cm across. It is round or oval and has 4-5 valves. They are woody with dense spines. The seeds are 8 mm long and black with a thin red aril.
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