Inflorescence several-flowered cymes; peduncle 5–25 cm. long, pubescent; pedicels 0·7–1.5 cm. long, enlarged at the apex; bracts lanceolate, 4–7 mm. long, pubescent, deciduous.
Stems trailing for several metres and climbing over low bushes, reddish, muriculate, glabrous or pubescent.
Corolla funnel-shaped, blue with purplish tinge, 3·5–4·5 cm. long, pubescent at the midpetaline areas.
Ornamental herbaceous climber, well naturalised as an escape from cultivation.
Sepals subequal, lanceolate-oblong, 5 mm. long, mucronate, pubescent outside.
Seeds trigonous, brownish, glabrous or very shortly pubescent.
Capsule ovoid to globose, glabrous.