A herbaceous, glabrous twiner, with terete stems. Leaves ovate, 3½-7 by 2½-6 cm, cordate at the base, long-acuminate at the apex with an acute, mucronulate acumen; petiole 1½-6 cm. Inflorescences axillary; peduncles as thick as the stems, terete, fistulose, 3-9 cm, cymosely branched at the top. Pedicels much longer than the calyx, 15-18, afterwards up to 25 mm. Bracts minute, triangular. Sepals subequal, narrowly triangular to ovate-lanceolate, gradually narrowed towards the apex, 4½-6 mm long, green with white margins, carinate on the back. Corolla funnel-shaped, 4-6 cm long, glabrous, in bud red with a white tube, in anthesis bright sky-blue with a paler or white tube. Stamens and style included, filaments very unequal, glabrous. Ovary glabrous. Capsule ovoid, ca 8-10 mm long, mucronate by the style-base, pale straw-coloured, 2-celled, 4-valved; dissepiment persistent. Seeds 4, nearly 5 mm long, black, minutely puberulent.
Scrub and waste places. Moist thickets, sometimes in hedges or waste ground, at elevations of 800-1,850 metres.
Can be grown by cuttings or seedlings. Seeds needs scarification and soaking.
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