Glabrous except for the inflorescences shortly and densely off-white tomentose and the young flowers sparsely so. Stem internodes distinctly 4-angular. Leaves opposite; lamina narrowly ovate, 12-20 by 5-8 cm, truncate or slightly cordate at the base to a petiole 12-15 mm long, acuminate and acute at the apex, glossy on both sides, darker above; venation pinnate with the midrib distinct above and prominent below and the main laterals faintly visible on both sides. Inflorescences at the nodes, a raceme of 10-15 opposite evenly spaced crowded pairs of triads with all flowers sessile; axis 20-30 mm long; peduncles of the triads 1-2 mm long, secund. Corolla in mature bud 6-merous, 16-20 mm long, slightly inflated at the base for 2-3 mm, slender above, weakly clavate and broadly acute or obtuse at the apex, red; petals in the open flower coherent in the inflated part. Anther c. 2 mm long, acute, much longer than the free part of the filament (subsessile).
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