Scandent subshrub, with young stems pubescent with spreading hairs.. Leaves opposite, ovate, 6–10(–15.5) cm. long, 4–7(–15.5) cm. wide, abruptly acuminate at the apex, cordate at the base, entire or slightly undulate, sparsely pubescent above, more densely brown-pubescent beneath; petiole 0.5–1(–5.5) cm. long, pubescent.. Flowers in lax terminal pubescent panicles; peduncles 5–9 cm. long; pedicels slender, 1.5–2 cm. long; bracts linear, (0.5–)1 cm. long.. Calyx cream, 1.6–2(–2.8) cm. long, pubescent, 5-lobed to the middle; tube campanulate, slightly inflated below, 1 cm. wide; lobes equal, lanceolate, 1(–2.2) cm. long, 6–7 mm. wide at base, acute.. Corolla yellowish white, purple-red outside (fide Stuhlmann), and with red or purplish red splashes inside 3 upper lobes; tube (2–)2.5–3 cm. long, 1 mm. wide, shortly pubescent; lobes narrowly obovate or oblanceolate, (0.5–)1 cm. long, obtuse or subacute, spreading or 3 upper reflexed.. Stamens 4, recurved, much exserted.. Style filiform, exserted 3 cm.. Fruit black, shining, 1.2 cm. tall, 1.2–1.3 cm. wide.. Fig. 12/4–6, p. 96.
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