Glabrous except for the inflorescence and flowers rarely sparsely brown tomentose, sometimes glaucous. Leaves opposite; lamina elliptic to ovate or obovate, mostly 2.5-6 cm long, mostly 1.2-3 cm wide, attenuate to shortly cuneate at the base to a petiole 2-8 mm long, obtuse or rounded at the apex, sometimes with a small mucro, slightly lustrous above, dull below; venation pinnate with the midrib and the main laterals faintly visible. Inflorescences at the nodes, pedunculate 3-to 5-rayed umbels of triads with the central flowers sessile; peduncle mostly 8-16 mm long; rays 3.5-7 mm long, usually thicker than the peduncle; pedicels of the lateral flowers 2-4 mm long. Corolla in mature bud 4-merous, 14-19 mm long, slender, clavate and rounded at the apex, pink to dark red. Anther 0.5-1 mm long, about one third as long as the free part of the filament.
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