Impatiens goughii Wight, Ill. Ind. Bot. 1: 160. 1840 & Icon. t. 1603. 1850; Hook. f., Fl. Brit. India 1: 452. 1874.I. microtheca Hook. f. in Hooker's Icon. Pl. 30: t. 2910. 1910.

Annual herbs, 5 - 30 cm high; stems simple or branched. Leaves opposite, ovate, subacute at apex, crenate-serrulate along margins, 15 - 3.5 x 0.8 - 1.5 cm, glabrous, rarely hairy below; petioles up to 2 cm long. Flowers in terminal subumbels, pale pink; peduncles 2 - 5 cm long; pedicels up to 15 cm long; bracts persistent, minute, lanceolate. Lateral sepals falcate, ca 2 mm long. Lip cymbiform; spur shorter than wings, straight. Standard obovate, mucronate at the retuse apex. Wings bilobed; basal lobes oblong, rounded at apex; distal lobes longer than basal ones; dorsal auricle produced into the spur. Capsules ellipsoid, 3 - 5 mm long, 6 - 12-seeded; seeds almond-shaped, chestnut- coloured, granular with hairs.

Fl. & Fr. July - Dec.

Distrib. India: Southern W. Ghats, 1500 - 2400 m. Karnataka, Tamil Nadu and Kerala.

Endemic.

Chromosome no. 2n = 16,20. (Virendra Kumar & Subramaniam, Chr. Atlas Fl. Pl. Ind. Subc. 1: 85. 1986).