Small tree; most parts glabrous. Leaves: petiole 10-20 mm long; lamina narrowly elliptic to ±lanceolate, 5.5-12.5 cm long, 2-4 cm wide, glabrous; tips acuminate; margin entire or irregularly and sparsely dentate; venation dense; lateral veins 5-8 pairs. Conflorescence axillary or ramiflorous, 8-14 cm long, densely flowered, ferruginous-pilose; pedicels 4-5 mm long. Tepals 15-17 mm long, dull yellow, sparsely ferruginous-pilose; limb c. 3.5 mm long. Anthers c. 3 mm long. Hypogynous glands 4-lobed, fused into a cup. Ovary glabrous. Fruit not seen.