Glabrous except for the inflorescence and flowers pale yellow-brown tomentose. Leaves in whorls of 7-9; lamina oblong, 22-40 by 7-9 cm, thick, attenuate at the base to a shortly winged petiole 25-40 mm long and 3-4 mm thick, acuminate and acute to shortly rounded at the apex, glossy or dull above and dull below; venation pinnate with the midrib distinct above and raised below and the main laterals obscure above and visible below. Inflorescences at the nodes, a raceme of 40-70 flowers densely crowded in several spiral rows; axis 220-320 mm long, 8-10 mm thick, with a non-flowerbearing basal part 170-220 mm long, lacking a non-flowerbearing prolongation; pedicels 1-3 mm long, 2-3 mm thick. Corolla in mature bud 100-150 mm long, c. 3 mm wide at the base and inflated to 6-10 mm wide above, thick in the lower part, thinner in the inflated part, yellow, sometimes orange above; tube in the open flower 80-125 mm long, with a single variable slit to about halfway, with the petals reflexed 12-20 mm below the apex. Anther c. 10 mm long, obtuse, about equal to the free part of the filament. Fig. 46a, b.
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