An erect, up to 1.25 m tall, finely hairy shrublet with cylindrical branches. Leaves on 4-10 mm long petioles; lamina ovate, 5-10 x 4-6 cm, dentate-serrate, acute-acuminate. Flowers pale-blue or white, 3.5-4.0 cm long, solitary, axillary or in small clusters; bracts absent; bracteoles ovate, c. 2.5 cm long, entire, acuminate. Calyx lobes linear-subulate, erect, one a little longer and broader than the rest. Corolla tube cylindrical, hairy within, limb lobes patent, obovate, obtuse, minutely crenulate. Ovary ovoid, glandular above; style shortly hairy, longer than corolla tube. Capsule compressed, shortly stipitate, c. 12 mm long, usually 2-seeded.

Fl. Per.: January-April.

Type: Described from India, Heyne.

Distribution: India, Nepal; introduced in gardens elsewhere.

Parker (l.c.) reported that it is grown in Lahore gardens for its large showy flowers.