Woody twiner; stems roughened, muriculate, puberulous when young.. Leaves often not present at the time of flowering; blade ovate-triangular, 6 cm. long, 3.7 cm. wide, prominently cuspidate at the apex, subtruncate at the base; petiole about 2.5 cm. long, slender.. Peduncle short, up to 0.5 cm. long, arranged on short woody branchlets, 1–few-flowered (usually 3); pedicels up to 1.5 cm. long.. Sepals oblong-elliptic, 10–12 mm. long, 5–5.5 mm. wide, obtuse but mucronulate at the apex, glabrous, margins pellucid.. Corolla white or greenish-yellow with purple or crimson centre, funnel-shaped or narrowly campanulate, with tube not prominently constricted at the base, 3.7–4.5 cm. long; in bud densely bristly pubescent at extreme apex.. Capsule elongate-ovoid, 1.7 cm. long.. Seeds with long silky hairs.
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