Slender spreading tree 2.5–10 m. tall with a dense crown; bark grey to black, deeply fissured; young twigs with white downy pubescence.. Leaves 4–10 cm. long; petiole slender, 0.3–3.5 cm. long, pubescent; primary rhachis green, 6–8 cm. long, 0.7 mm. wide, pubescent; secondary rhachides 2–4 cm. long, covered in resin-dots; secondary petioles 2–5 mm. long; leaflets olive-green or glaucous when dry, in 2–7 pairs, alternate or opposite, oblong to obovate, 0.4–1.5 cm. long, 2–6 mm. wide, rounded and usually emarginate at the apex, asymmetrically narrowed to the base, appearing glabrous but with scattered white adpressed hairs and sometimes resin-dots in the basal half; lateral nerves ± indistinct; petiolules 0.1–0.5 mm. long.. Inflorescences thyrsoid, in the axils of fallen leaves, 1–4 cm. long, the elements racemose; pedicels slender, 0.5–1 cm. long, curved; sepals 0.5 mm. long, densely hairy; petals cream or yellow, ovate-lanceolate or elliptic, 4–5 mm. long, 1.5 mm. wide, glabrous.. Stamens 2 mm. long, glabrous; connective with resin-dots.. Ovary pandurate, 2–2.5 mm. long, 1.3–1.5 mm. wide, narrowly 2-winged, glabrous; style 0.5 mm. long, with bifid stigma.. Fruit yellow-brown or yellow with pinkish wings to entirely pinkish red, 2.2–5 cm. diameter; mesocarp composed of white parenchyma the texture of polystyrene foam; wing 1–1.5 cm. wide.. Seeds (1–)2, reniform, 1–1.5 cm. long, 5–9 mm. wide, 3–4 mm. thick; testa with minute shining brownish warts.. Fig. 2.