Glabrous except for the ovary and sometimes the corolla shortly and sparsely brown-tomentose. Leaves opposite; lamina elliptic to ovate, 8-15 by 5-7.5 cm, truncate and finally shortly cuneate at the base to a petiole 5-10 mm long, obtuse or broadly acute at the apex, glossy grey-green above, dull brown below; venation pinnate with the midrib raised below and the main laterals visible. Inflorescences at the nodes and on the epicortical runners, a 6-flowered head of 2 sessile triads on a peduncle (0.5-)2-2.5 mm long. Corolla in mature bud 5-merous, 20-25 mm long, relatively slender, weakly clavate and acute, pink or red and sometimes yellow above. Anther 2.5-4 mm long, usually slightly longer than the free part of the filament. Fig. 5f.
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