Glabrous. Leaves opposite; lamina narrow ovate to ovate, 6-14 by 2.5-8 cm, thick, shortly cuneate to slightly cordate at the base to a petiole 5-20 mm long, weakly acuminate and mostly acute at the apex, usually glossy above, dull below; venation pinnate with the midrib distinct and the main laterals obscure on both sides and the midrib prominent below. Inflorescences at the nodes, a raceme of 1-3 decussate pairs of triads with all flowers pedicellate; axis 5-15 mm long; peduncles of the triads 5-10 mm long; pedicels of the flowers 5-7 mm long. Corolla in mature bud 6-merous, 80-140 mm long, robust, inflated at the base, gradually widened upwards, clavate and usually obtuse at the apex, pink or red in the lower part, sometimes black at the apex; tube in the open flower 50-95 mm long. Anther 5-8 mm long, curved, attached at about one third its length, acute at the base, obtuse at the apex, much shorter than the free part of the filament. Fig. 34.