Glabrous except for the young shoots, inflorescences and flowers off-white to brown tomentose, the leaves soon glabrescent. Leaves opposite or scattered; lamina elliptic, 5-9 by 2.5-4 cm, cuneate or attenuate at the base to a petiole 8-12 mm long, obtuse or rounded at the apex, dull on both sides but darker above; venation pinnate with the midrib and the main laterals visible above and distinct below. Inflorescencess at the nodes, a 4-8-flowered raceme; axis 6-16 mm long; pedicels (0-)l-2.5 mm long. Corolla in mature bud 5-merous, 12-16 mm long, slender, gradually widened upwards, constricted just below the apex, shortly clavate and rounded or truncate at the apex, yellow to red; tube in the open flower 8-10 mm long with the lobes reflexed 1-3 mm higher, curved. Anther c. 1 mm long, obtuse, about half as long as the free part of the filament.
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