Glabrous. Leaves ternate, scattered ternate or quaternate; lamina usually ovate or obovate (rarely lanceolate), (7-) 12-21 by (3-)6-10 cm, cuneate or attenuate at the base and sessile or with a short thick petiole up to 3 mm long, often recurved at the margin, mostly rounded at the apex, dull on both sides; venation pinnate with the midrib distinct and raised below. Inflorescences at the nodes and along the internodes, pedunculate 4-to 6-rayed umbels of triads with all flowers sessile; peduncle (3-)10-15(-27) mm long; rays 5-9 mm long. Corolla in mature bud 5-or 6-merous, 27-35 mm long, uniformly slender, shortly rounded or obtuse at the apex, mostly pink, rarely red. Anther 2.5-4 mm long, about half as long as the free part of the filament.
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