Small trees, 10-15 m tall. Leaves: lamina sessile or subsessile, obovate-lanceolate or rarely obovate-oblong, 30-100 by 9-24 cm, chartaceous to subcoriaceous, base cuneate, margin crenulate, apex cuspidate or obtuse, lower surface glabrous; midrib prominulous and sunken above, prominent beneath, primary veins 22-40 pairs, brochidodromous, conspicuously merging 2-5 mm from margin by connecting veins, almost plane above, prominent beneath, intercostal veins slightly prominulous above, prominulous beneath, arranged parallel at right angles to veins. Cataphylls lanceolate, some triangular, 1.5-9 by 0.5-1.5 cm. Inflorescences terminal, lax-flowered spikes, pendulous, 60-125 cm long; rachis 7-10 mm diam. at base, 3-5 mm at apex, fissured, glabrous, not winged to densely winged in pairs under each flower; bracts sessile, narrow-triangular, 3-20 by 2-8 mm, serrate; bracteoles triangular, 2-4 by 1-1.5 mm. Calyx closed with an apical pore, rupturing into 3-5 unequal lobes of 5-15 by 6-15 mm. Flowers sessile; hypanthium tetragonous or subglobular, 6-10 by 4-6 mm, glabrous; sepals 3-4, unequal, 5-15 by 6-15 mm, glabrous; petals 4-5, elliptic, 2-3.5 by 1.5-2 cm, white; stamens white, pink near apex, anthers yellow, staminal whorls 5-6, the inner one staminodal, staminal tube 4-10 mm high, staminodia 0.5-1.5 cm; disc annular, undulating, slightly grooved, 1-2 mm high; ovary 4-locular, 4-7 ovules per locule; style 4-5 cm long. Fruits ovoid, tapering at both ends, 8.5-10 by 3-4.5 by 3.5-5 cm. Seeds ovoid distinctly fissured, c. 5 by 2-2.5 cm.
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