Tree to 6 m high. Branchlets terete, brown, puberulous, in the ultimate parts ferrugineously hirsute, glabrescent. Leaves: rachis 17 cm, rusty puberulous or villous, glands elliptic to semi-globose, raised, 3-4 mm long; pinnae 2 pairs, 7-17 cm, densely rusty puberulous or villous; petiolules 2-5 mm, densely puberulous or villous; leaflets (l-)3 or 4 pairs per pinna, opposite, rigidly chartaceous, drying dark brown above, yellowish green beneath, unequal-sided to nearly equal-sided, ovate-elliptic, obovate-elliptic, broadly elliptic, or oblong, (4-)7-18.5 by (2.5-)3-7.5 cm; base symmetrically or asymmetrically cuneate, apex acuminate-caudate; upper surface glabrous, lower surface densely appressed puberulous, veins ferrugineously hirsute, and with few minute glands near the main vein; principal lateral veins 7 or 8 per leaflet-half, non-parallel, arching; reticulation lax, prominulous above, prominent beneath. Inflorescence terminal, rusty hirsute-velutinous, consisting of pedunculate glomerules aggregated into panicles, 40 by 18 cm; glomerules of consisting 3 or 4 sessile flowers; floral bracts inconspicuous. Flowers pentamerous, bisexual. Calyx cup-shaped or subcampanulate, 2-3 mm, villous; teeth broadly ovate, acute, to 1 mm. Corolla yel-lowish-white, narrowly funnel-shaped, (5-)6-8 mm, proximal part of tube glabrous, distal part and lobes appressedly puberulous or delicately sericeous; lobes triangular-ovate, acute, 3 mm. Stamens white, to 18 mm, tube 4 mm long, slightly shorter than the corolla-tube. Ovary solitary, sericeous. Pod red-brown outside, reddish-orange within, curved into a circle, 6-10 cm in diameter, valves to 3.5 cm wide, coriaceous, sinuate or not, short-puberulous, veins prominulous, dehiscing first along the ventral suture. Seeds bluish black, ellipsoid, only slightly flattened, c. 20 by 12 mm.