Tree up to 25 m, with a rounded or conical finely branched crown. Bole up to 15 m, up to 50 cm in circumference. Bark smooth, brown or greyish-brown, with lenticels in longitudinal rows; inner bark pale brown; sapwood pale yellowish-brown; latex white. Twigs slender, densely covered with reddish-brown stellate hairs. Leaves imparipin-nate, up to 60 cm long and 35 cm wide, petiole up to 11 cm, petiole, rachis and petio-lules with hairs like those on the twigs. Leaflets 11–23, 6–16 by 1.5–4 cm, the margin rather wavy, acuminate or caudate at apex, rounded or cuneate at the asymmetrical base, with hairs like those on the twigs on the depressed midrib on upper surface, densely covering the midrib and numerous on rest of the lower surface and with smaller, paler, fewer-rayed stellate hairs, interspersed, with numerous pits on both surfaces in Borneo; veins 7–16 on each side of the midrib, reticulation prominent in Sarawak; petiolules up to 10(–20) mm. Male inflorescence up to 40 cm long and wide, peduncle up to 5 cm, peduncle, rachis, branches and pedicels densely covered with hairs like those on the twigs. Male flowers minute, up to 0.8 mm in diam.; pedicels up to 0.8 mm. Calyx with numerous to densely covered with reddish-brown stellate hairs on the outer surface. Petals 5. Staminal tube deeply divided into 5 lobes; anthers small, ovoid, pointing obliquely upwards towards the centre of the flower. Female inflorescence smaller and less branched than the male. Female flowers larger, 1.5 mm long. Staminal tube cup-shaped with the apical margin incurved leaving a small aperture, obscurely 5-lobed; anthers 5, minute and inserted below the rim, with a few pale yellow hairs; otherwise like the male. Infructescence up to 25 cm long. Fruits up to 3 cm long and 1.5 cm wide, subglobose or pyriform, red, orange, brown or grey, densely covered with stellate hairs like those on the twigs. Locules 2, each containing 1 seed. Seed surrounded by a white edible aril.
More
A tree. The aril or fleshy layer around the seeds is white.
Evergreen forest; primary forest; more open, secondary formations; along ridges and along roads; growing on sands, granite, shale and clay-loams; at elevations from 50-1,400 metres.
More
It is a tropical plant. It grows in evergreen forest on limestone or granite bedrock.
UsesAril edible. Burkill [ Burkill Dict. Econ. Prod Malay Penins. 1935 74 ]stated that the wood is used for house-building in Celebes, where this species does not occur; he may be referring to A. tomentosa.