Tree to 30 m; bole to 45 cm diam. Bark fawn to dark purplish brown, fissured to flaking; the inner bark pinkish. Leafy twigs c. 5–7 mm diam., striate, apical buds with ± fist-shaped pubescent young leaves. Leaves 16–30 cm, 3–5-jugate, with terminal spike or its stub; petiole 4–6 cm, deeply sulcate to winged, rather warty. Leaflets 9–14 by 3.5–6 cm, elliptic-oblong, coriaceous, glabrous, bases weakly asymmetric, cuneate, apices acute to subacuminate, midrib sunken adaxially, prominent abaxially, costae 6–9 on each side, very obscure; petiolules c. 5–9 mm, sulcate, blackish when dried. Lateral buds supra-axillary, pale, pubescent, conspicuous. Thyrses 2–4 cm, few-flowered, sweetly scented, supra-axillary or borne on lateral dwarf shoots; axes stout, woody, fawn pubescent; bracts c. 2 mm, triangular, pubescent; pedicels c. 3 mm, articulated with pseudopedicels. Calyx c. 4.5 mm long, 8 mm diam. with pseudopedicel c. 1 mm, ± pubescent without, margin irregularly 5-lobed. Petals 5, c. 15 by 6 mm, lanceolate, papillose, pale green to creamy white. Staminal tube glabrous, margin minutely c. 20-lobed, the lobes truncate; anthers 10, c. 1 mm long, ellipsoid, ± minutely hairy, weakly exserted, pollen shed in tetrads. Disk c. 1 mm tall, cushion-like, fleshy, glabrous. Ovary glabrous, 5-locular, each with 2 collateral ovules; style terete, glabrous stylehead depressed capitate, apically dimpled. Capsule at least 3 cm diam., globose, apically mamillate, weakly stipitate, 5-locular. Seeds unknown.
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