Shrub, c. 1 m tall. Leaves subsessile, 6-10 x 3-6 cm, oblong, elliptic, elliptic-obovate, entire, glabrous. Stipules broad, triangular, awned, ± glabrous. Inflorescence of trichotomously branched dense corymbs; bracts small, subulate. Flowers pink, scarlet or orange, central flowers sessile and two side flowers pedicellate, pedicel c. 2.5 mm long, each with a pair of small bracteoles. Calyx-tube c. 1.5 mm long, pubescent; lobes c. 0.5 mm long, tinted red. Corolla-tube 1.5-2 cm long, minutely hairy; lobes elliptic, acute 5-6 mm long. Staminal filaments very short; anthers c. 3 mm long, reflexed. Style exserted, stigma 2-lobed.

Fl. Per: July-September.

Type: Described from China.

Distribution: Indigenous to Malaya, Java and China; cultivated in India, Pakistan and other tropical countries.