Glabrous. Leaves opposite; lamina elliptic to oblong, widest above the middle, 6-13 by 2-4 cm, attenuate at the base to an obscure petiole 5-10 mm long, rounded at the apex, dull on both sides; venation pinnate with only the midrib visible above and prominent below. Inflorescences at the nodes, robust, mostly an umbel of 1 opposite pair of flowers, sometimes with the axis prolonged and rarely bearing a second pair of flowers; axis 3-10 mm long; pedicels 1.5-3 mm long, central bract keeled, 4-6 mm long; lateral bracts keeled, connate, together enclosing the ovary. Corolla in mature bud 6-merous, 70-110 mm long, robust, widened upwards, angular above, clavate and rounded at the apex, red; tube in the open flower 60-90 mm long with the lobes reflexed slightly higher. Anther 8-10 mm long, obtuse, about two thirds as long as the free part of the filament. Fig. 38b.
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