Tree, 6-8 m tall. Leaves petioled, (oblong-)ovate to (oblong-)obovate, 5-14 by 2.25-5.5 cm, firmly herbaceous or thinly coriaceous, base acute, often subcontracted and decurrent, apex very shortly acute-acuminate; nerves c. 10 pairs, very thin and hardly visible above, invisible beneath, veins inconspicuous except sometimes some intermediate ones; petiole slender, 0.75-2.5 cm; exauriculate; axillary scale adnate to the petiole, 0.25-0.5 cm long, fairly broad (much broader than the base of the petiole), truncate to faintly 2-lobed. Inflorescences cymose, 2-15-flowered, dense; pedicels thick, 0.5-12 mm long, often 2-bracteolate above the middle and then thickened above the bracteoles. Calyx campanulate, often with recurved lobes, 0.75-1 cm long, divided about halfway. Corolla-tube funnel-shaped, 2.75-3.5 cm, inside about halfway with a distinct horizontal rim bearing the stamens. Anthers oblong, c. 0.75 cm long, to about halfway bifid. Stigma subpeltate, c. 2.5 mm ø. Fruits (unripe) ellipsoid-oblong, c. 1.25 by 0.75 cm.