Glabrous except for a few cilia on the bracts. Leaves opposite; lamina broadly lanceolate to almost orbicular, mostly 4-10 cm long, mostly 2-4 cm wide, cuneate at the base to a petiole 2-8 mm long, usually acute or obtuse with a small mucro at the apex, lustrous above, dull below; venation pinnate, mostly obscure. Inflorescences at the nodes, pedunculate 6-to 12-rayed umbels of triads with all flowers pedicellate or the central flowers sessile; peduncle mostly 22-40 mm long, dilated up to 3 mm wide at the apex; rays mostly 6-10 mm long; pedicels of the central flowers 0-4 mm long; pedicels of the lateral flowers 1.5-5 mm long; bracts with rounded dorsal protuberances. Corolla in mature bud 4-merous, mostly 20-28 mm long, slender, strongly clavate and acute or rounded at the apex, red, often nearly black in the lower part. Anther 1-2 mm long, about equal to or half as long as the free part of the filament.
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