Trees 5-28 m high, dbh 15-30(-92.5) cm; bark smooth, light grey to red brown, inner bark pink to orange or red brown; wood pale creamy pink to reddish. Twigs striate to grooved, 2-5 mm in diam., (thinly) strigose, soon glabrous. Leaves (3-)4-5-jugate; petiole 1.5-9.5 cm, strongly pulvinate; rachis 2.5-19 cm, both flattened above, rounded below, striate, strigose to glabrous; petiolules 3-16 mm, flattened above, rounded below, grooved above, strigose to glabrous. Leaflets alternate or opposite, elliptic to ovate, 6-18.5 by 2.5-5.5 cm, index 1.9-3.4, mid or dark green above, greyish green or glaucous below, thickly chartaceous, above glabrous, below glabrous to thinly strigose, whitish when dry; base cunéate to rounded; apex acuminate, rarely cuspidate; margin entire; midrib not prominent above, nerves 6-12 per side, 7-20(-28) mm apart, angle to midrib 40-60°; domatia absent or small, pocket-like. Inflorescences axillary, 6-10 cm long, with 1 to many branches, in fruit 5.5-15 cm long; bracts and bracteoles subulate to triangular or ovate, 0.2-2.5 by 0.1-1 mm; pedicels c. 3.7 mm long, articulated at midpoint, strigose. Flower buds ± globular, 1.9-2.5 by 2.2-2.5 mm; flowers white or cream. Sepals (broadly) ovate to triangular, 1.7-3.7 by 1.6-2.5 mm. Petals 2.1-2.4 by 1.2-1.7 mm, claw 0.5-0.9 mm, outside appressed-hairy at the claw, margin ciliate, inside appressed-hairy except apex; auricles woolly. Disc entire. Filaments of staminodes 1.5-2.1 mm; anthers 0.6 mm, glabrous. Style 1.2-1.4 mm, thinly hairy, stigma 0.2 mm. Fruits subglobular, 3-angled in cross section, 15 by 16 mm, wall at base very thick, thinning upwards, tomentose inside, but appressed-hairy by the seeds. Seeds 9 by 5 mm; cotyledons obliquely superposed.
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Tree to 25 m high. Young parts and peduncles densely rusty-hairy; branchlets and leaf axes shortly hairy or glabrous, usually lenticellate. Leaf rachis 4.5–20.5 cm long; leaflets 6–8, rarely to 12, elliptic or elliptic-ovate, shortly acuminate or acute, entire, oblique and obtuse or acute at base, 7.5–15 cm long, 3–5 cm wide, upper surface glabrous, the lower pubescent, papillose, drying whitish; petiolule 8–16 mm long; petiole 7.5–10.5 cm long. Panicles axillary or ramiflorous, 9–14 cm long; pedicels 2–4 mm long. Calyx tomentose. Petals long clawed, 2.5 mm long; scales with small crests. Filaments 1–3 mm long. Fruit trigonous-globose, carinate at sutures, 1.2–1.8 cm long and wide, reddish.