Tree of unknown stature. Branchlets terete to ± angular in the distal parts, greyish yellow, glabrous, with light lenticels. Leaves: petiole 3-9 cm, glabrescent, gland slit-like, without raised margins, leading into the hollow petiole, 0.7-1.2 cm; pinnae 1 pair, (3—)9—18 cm, glabrous; petiolules 5-10 mm, glabrous; leaflets 2 pairs per pinna, opposite, lower pair subopposite, chartaceous, drying greenish with yellowish veins, unequal-sided, broadly ovate-eliptic, 16-32 by 7-17 cm, base rounded, apex bluntly acuminate; both surfaces glabrous; principal lateral veins 5-7 per leaflet-half, arching, non parallel; reticulation prominulous above, prominent beneath. Inflorescence and flowers unknown. Pod brownish outside, orange-red inside, ?straight, strongly lobed along the ventral suture, the lobes indented to the dorsal suture, the segments separated by necks; pod coriaceous-woody, c. 15 cm long, 3.2-4 cm wide over the seeds, glabrous, veins inconspicuous. Seeds bluish-black, ellipsoid, c. 23 by 18 by 18 mm.