Young parts with a dense golden or red-brown indumentum of short stellate and dendritic hairs, becoming sparse on adult stems and leaves. Leaves opposite; lamina oblong to ovate or rarely obovate, mostly 9-14 cm long, 4.5-6 cm wide, truncate or weakly cordate at the base to a petiole 3-8 mm long, often undulate at the margin, obtuse or rounded at the apex; venation obscure except for the midrib and a few major laterals visible on both sides. Inflorescencess few at the nodes, a 4-to 12-flowered raceme; axis 8-30(-40) mm long; pedicels 3-9 mm long; bract elliptic to nearly orbicular, concave, rounded, 5-7 mm long, enclosing the ovary. Corolla in mature bud 15-35(-43) mm long, slender, clavate and acute or obtuse at the apex; tube 10-25(-29) mm long, split to the middle or lower. Anther 2-3 mm long, about equal to the free part of the filament. Fruit 11-14 mm long including a stipe 7-10 mm long, truncate at the apex.
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