Glabrous except for young vegetative parts, inflorescences and flowers with a short rusty tomentum, the stems, leaves and corollas glabrescent. Leaves scattered; lamina broadly ovate, 5-8 by 3-5.5 cm, shortly attenuate at the base to a petiole 6-10 mm long, rounded at the apex, thin, somewhat undulate at the margin, dull on both sides; venation pinnate with the midrib distinct above and prominent below and the main laterals visible on both sides. Inflorescences at the nodes, a c. 5-flowered raceme; axis slender, 6-14 mm long; pedicels 2.5-3.5 mm long. Corolla in mature bud 5-merous, 22-24 mm long, slender, slightly inflated and gradually widened upwards, narrowed to a neck, long clavate and acute at the apex, green below and red above; tube in the open flower c. 12 mm long, with the lobes reflexed c. 4 mm higher, nearly straight. Anther c. 3.5 mm long, obtuse, slightly shorter than the free part of the filament.
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