Tree up to 10 m. Bole up to 15 cm in circumference. Twigs stout, with reddish-brown stellate hairs which have arms up to 1 mm long. Leaves imparipinnate, 75–175 cm long, up to 115 cm wide; petiole up to 25 cm, petiole, rachis and petiolules with indumentum like the twigs. Leaflets 7–11, 35–57 by 10–15.5 cm, rather membraneous, acuminate at apex, tapering to a subcordate base, with scattered hairs like those on the twigs and smaller stellate hairs with fewer arms and stellate scales interspersed on lower surface; veins 23–47 on each side of the midrib, the reticulation visible on lower surface; petio-lules up to 10(–20) mm. Inflorescence up to 40 cm long and 12 cm wide; peduncle up to 7 cm, the peduncle, rachis, branches and pedicels with indumentum like the twigs. Flowers up to 1.5 mm in diam., subglobose. Calyx densely covered with stellate hairs, deeply divided into 5 subrotund lobes. Petals 5. Staminal tube about half the length of the corolla, cup-shaped, slightly incurved and shallowly lobed at the apical margin; anthers about 1/3 the length of the tube, inserted just below the aperture, protruding beyond it and pointing towards the centre of the flower. Fruits up to 2 cm long and 1.5 cm wide, pyriform, densely covered with orange-brown stellate scales. Locules 2, each containing 1 seed.