Tree to 40 m tall, bole 80 cm diameter. Twigs densely hirsute, the hairs simple, up to 2 mm long, and/or very short, stellate; orange glandular hairs or their bases present; glabrescent. Leaves 1-4-jugate. Petiole 3-9(-11) cm, internodes of the rachis 2-4(-6) cm, hirsute and/or shortly stellate-hirsute. Leaflets oblong to obovate-oblong or ovate-oblong, 8-15(-25) by 4-7(-12) cm, the apex acute or often slightly acuminate, the base acute and decurrent to rounded; margin distinctly serrate to subentire; nerves 12-15 (-20) on either side of midrib; petiolule in terminal leaflet 1-2(-2.5) cm long, in lateral leaflets 3-6 mm; each lateral leaflet often with a small stipel; leaflets above sparsely short-hirsute, glabrescent, with slightly prominent venation; leaflets below glabrous or with closed to sparse tomentum of very short lanose hairs mainly on intervenium, and longer hirsute hairs mainly along midrib and major veins, also with ± numerous orange glandular hairs or their bases, the venation prominent. Tuft-domatia often present in axils of secondary veins. Stipules broadly ovate to reniform, sessile or with short stalk, 5-18 by 7-24 mm, apex obtuse to rounded or retuse, margin entire to dentate, upper sur-face sparsely hirsute to glabrous, lower surface hirsute and with orbicular glandular tri-chomes. Inflorescences paniculate/thyrsiform, up to c. 50 by 30 cm, usually maturing in subdistal nodes; branches ± densely hirsute, most densely so at extremities. Flowers sessile or pedicellate, the pedicels up to 2 mm long. Sepals 0.9-1.3 by 0.6-1.1 mm, stel-late-hairy and with glandular trichomes beneath. Petals obovate-spathulate to oblanceolate-oblong, 0.8-1.4 by 0.4-0.5 mm. Stamens with filaments 1.6-3.2 mm long and anthers c. 0.3 by 0.3 by 0.2 mm. Disc 0.3-0.4 mm high, 0.1-0.2 mm thick. Ovary 2(-3)-carpellate, 0.6-0.8 by 0.6-1 mm, densely stellate-hirsute, often with glandular trichomes; ovules 8-16 per locule; style 0.6-1.7 mm. Fruit with valves 2.5-4 mm long, 1.5-2 mm wide, with several seeds. Seeds including wings to c. 1.6 mm long, papillose.
In primary and secondary forest, generally between 500 and 2000 m, in New Guinea up to 2800 m, in New Britain down to 250 m and in the Solomon Islands to 100 m.
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