Glabrous or the inflorescence and flowers sparsely brown tomentose. Leaves opposite; lamina narrowly ovate to ovate, 9-15(-22) by 4.5—7(—11) cm, shortly cuneate to slightly cordate at the base, sessile, weakly acuminate and acute at the apex, dull on both sides; venation pinnate with the midrib and the main laterals visible on both sides. Inflorescencess at the nodes, a 6-fiowered head of 2 sessile triads on a peduncle 2-6 mm long. Corolla in mature bud 5-merous, 11—16(—23) mm long, slender, weakly clavate and acute at the apex, red or yellowish brown. Anther mostly c. 2.5 mm long, usually longer than the free part of the filament. Fig. 5a-c.
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