Large shrubs to small trees up to 4 m tall.
Bark greysih-brown, lenticellate; blaze whitish-cream.
Branchlets terete, pubescent when young.
Leaves simple, alternate, spiral; petiole 0.7-1.3 cm long, canaliculate in cross section, tomentose; lamina 6.5-11 x 3-4.3 cm, elliptic, apex acuminate, base acute, margin entire, glabrous; nervation impressed above; midrib canaliculate above; secondary nerves ca. 8 pairs; tertiary nerves broadly reticulate.
Inflorescence racemes, to 15 cm long, pendulous; peduncle to 3 cm long; pedicel 0.8 cm long; flowers zygomorphic, yellow; petals 3, lower one boat shaped.
Capsule, obcordate, inflated; seeds 2, globose, compressed; carunlce orange-red.
Indo-Malesia and China
State - Kerala, District/s: Idukki, Wayanad