Glabrous. Leaves opposite; lamina broadly ovate, 15-28 by 8-15 cm, truncate to weakly cordate at the base to a petiole (5-) 15-22 mm long, thick, obtuse or rounded or rarely shortly acuminate and acute at the apex, glossy above, dull or lustrous below; venation pinnate with the midrib and the strongly incurved main laterals distinct above and prominent below. Inflorescencess at the nodes, a raceme of 3-6 opposite pairs of flowers; axis 15-25 mm long, slender; pedicels 2-4 mm long. Corolla in mature bud 6-merous, 20-25 mm long, inflated below, contracted to a slender neck, clavate, angular and acute at the apex, red below, black at the neck and green above; tube in the open flower 4-7 mm long with the lobes reflexed 4-6 mm higher. Anther c. 2 mm long, acute, one third to one fifth as long as the free part of the filament.
Home