Glabrous. Leaves in whorls of 4; lamina narrowly ovate to oblong, 20-30 by 8-11 cm, thick, truncate to slightly cordate at the base to a petiole 20-30 mm long, attenuate and acute at the apex, dull on both sides; venation pinnate with the midrib distinct above and prominent below and the main laterals faintly visible on both sides. Inflorescences at the nodes, a spike of many flowers in oblique whorls; axis 240-360 mm long, c. 10 mm thick at the base, thinner above, with a non-flowerbearing basal part 5-10 mm long, with a sterile tip 150-240 mm long. Corolla in the mature bud 120-150 mm long, gradually widened upwards, angular and narrowed to a short neck in the upper part, slightly clavate and obtuse at the apex, pink or red; tube in the open flower 75-105 mm long with the lobes reflexed 5-10 mm higher. Anther c. 15 mm long, obtuse, about 5 times as long as the free part of the filament. Fig. 47.
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