Shrub climbing by roots; stems at first paleaceous, soon becoming glabrous; petioles paleaceous, about 4 mm. long; leaf-blades narrowly obovate-oblong, up to 18 cm. long and 7.5 cm. wide, one member of each pair about half as long as the other, short-acuminate, entire, narrowed to a rounded base, 3-nerved, glabrous above, glabrous beneath on the surface, paleaceous on the nerves; flowers in clusters 1-3 cm. long; hypanthium tubular, about 2.5 mm. long, very minutely puberu-lent; sepals very short, depressed semi-circular; anthers stoutly subulate, 2 mm. long, the connective prolonged below the filament into an ovate dorsal lobe 0.4 mm. long; ovary wholly inferior.
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