Small dioecious tree; bark grey. Leaves with petiole 6 cm. long, 1 cm. wide at base, woody, ribbed, shortly pubescent in the grooves; rhachis up to 1 m. long, tapering, angular; leaflets crowded, ± 12-jugate, the uppermost oblong-oblanceolate or oblong, 20–33 cm. long, 5–8 cm. wide, the lowermost elliptic, 7–8 cm. long, 3–5 cm. wide, obtuse to acute or shortly acuminate at the apex, truncate at the base, glabrous; lateral veins in ± 8 pairs in small leaflets, ± 20 in upper larger leaflets, prominent. Inflorescences borne on trunk near ground and lower parts of the branches, 10–25 cm. long, at first brownish velvety; male not known; female flowers borne singly or in pairs subtended by a subulate bract up to 2 cm. long. Calyx 2-lipped with 2 triangular sepals 5 mm. long, separated by a sinus of 2 mm. and 3 sepals 4 mm. long, separated by sinuses of 1.2 mm., increasing slightly in fruit, densely pubescent; petals 4, drying reddish, oblong, 8 mm. long, 2 mm. wide with claw 0.7 mm. long; scattered hairs present, especially at the junction of the scale, scale ligulate, 4 mm. long, slightly narrower than petal-limb, hooded at the apex, with a shallowly lobed appendage; disk reniform. Staminodes with pilose filaments and glabrous anthers. Ovary triangular. Immature fruit ovoid, 2.5 cm. long, 3-ribbed, 3-locular, orange-brown velvety tomentose and with longer hairs; pedicels 6 mm. long.
