Glabrous except for the flowers sometimes sparsely hairy. Leaves opposite; lamina elliptic to ovate or rarely obovate, 6-15 by 3-7.5 cm, cuneate at the base, sessile or with a short petiole to 3 mm long, somewhat acuminate and obtuse to acute at the apex, dull on both sides; venation pinnate with the midrib and the main laterals visible. Inflorescencess at the nodes, pedunculate subcapitate usually 2-rayed umbels of triads with all flowers sessile; peduncle 1.5-5 mm long; rays mostly 1-2 mm long (but rarely obscure, with inflorescence then a 6-flowered head of 2 sessile triads). Corolla in mature bud 5-merous, 14-21 mm long, weakly clavate and obtuse at the apex, mostly red, sometimes golden below. Anther 2-3 mm long, slightly shorter than the free part of the filament.
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