Shrub up to 12.0 m tall, glabrous. Leaves evergreen, 7-15 x 15-32 cm. elliptic-lanceolate to lanceolate, subsessile. Flowers greenish-yellow, in cymes or panicles. Corolla infundibuliform, lobes ovate-acute, ciliate. Stamens attached near the throat of the corolla. Anthers oblong.