Large trees, to 30 m tall. Leaves: petioles 0.8-1.5 cm long, terete, glabrous, not swollen at base; lamina oblong-elliptic, 12-25 by 4-8.5 cm, chartaceous, base cuneate, decurrent, margins entire, slightly revolute, with small glands at vein endings, apex abruptly acuminate, acumen 5-7 mm long, lower surface glabrous; midrib prominulous above, prominent beneath, primary veins 12-13 pairs, brochidodromous with marginal vein 1-2 mm from margin, prominulous above, prominent beneath, intercostal veins slightly prominulous on both surfaces, reticulate. Cataphylls linear, 3-5 mm long. Inflorescences axillary on young wood, pendulous, c. 60 cm long; rachis sparsely short-puberulous, 2-2.5 mm diam., longitudinally striate when dry; bracts minute, linear, c. 1 mm long. Calyx closed in bud, without apical pore, splitting into 2, ovate-elliptic lobes, 1-1.2 by c. 0.8 cm at base, puberulous. Flowers on thin pedicels, 7-10 mm long, c. 0.5 mm thick, non-articulate; hypanthium turbinate, not angled or winged, puberulous on exterior; petals 4, oblong, c. 1.5 cm long, creamy yellow; stamens pale yellow, staminal whorls 4-5, the inner one staminodal, staminal tube c. 1 mm high; disc annular, 1-1.5 mm high, c. 3 mm diam.; ovary 4-locular, 3-4 ovules per locule; style 3.5-4 cm long. Fruits narrowly musoid when young (Anderson 4330) to ovoid when mature, c. 9 by 5.5 cm (Kostermans 21750); exocarp glabrous, pedicel 1.5 cm long.
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