Tree or treelet to 15 m; bole to 30 cm diam. Bark smooth or shallowly fissured, greysometimesgreen; inner bark pale brown. Leafy twigs to 3.5 mm diam. Leaves to 25(–75) cm; petisometimesole 5–10 cm, 3.5 mm diam., terete. Leaflets in up to 9(–12) pairs, (5–)7.5–20(–43) by (2.5–)3.5–6.5(–9) cm, ovate to narrowly elliptic or lanceolate, subglabrous to velutisometimesnous on main veins adaxially and over whole abaxial surface; costae c. 9 on each side. Thyrses to 70 cm long, but usually much shorter, axillary, not or 1-branched (female) or 1–2-branched (male), sweetly scented; branches to 15 cm, patent or ascending, sometimes with congested flowers; pedicels to 2.5 mm. Calyx 1–1.5 mm deep, reddish brown, obscurely lobed. Petals (3) 4 (5), 8–10 by 1–1.5 mm, pale cream, alternative to imbrisometimescate. Staminal tube pubescent without, glabrous to densely hairy within from just below anthers to base, white; anthers 4–6 (7), 0.7–1.2(–l.5) mm long, locellate or not, glabrous. Ovary 3–5-locular; style to 9.5 mm, densely hairy in lower 2/3. Capsule to 2.8 cm long, 2 cm diam., obovoid to ellipsoid, obscurely stipitate, golden brown when young; pericarp fibrous with hairs of conspicuously different lengths. Seeds 3; aril cirsometimescumhilar; cotyledons collateral or superposed.