Impatiens clavicornu Turcz. in Bull. Soc. Imp. Naturalistes Moscou 32 (l): 271. 1859. I. beddomei Hook. f., Fl. Brit. India 1: 442. 1874.

Herbs, 10 - 30 cm high, scapigerous; rootstock tuberous. Leaves radical, orbicular or reniform, entire or obscurely crenate-serrate, cordate at base, 2.5 - 10 cm across, fleshy, glabrous; nerves flabellate; petioles 2.5 - 8 cm long. Scape longer than leaves, up to 15 cm long. Flowers in racemes, ca 1.2 cm across, white with yellow patches on the wings or pink; bracts broadly ovate, obtuse or subacute; pedicels slender. Lateral sepals broadly and obliquely ovate. Spur ca 1 cm long, in curved, tip inflated. Standard broader than long. Wings with 3 subequal, truncate, retuse lobes, dorsal auricle of wing obscure. Capsules ellipsoid, ca 0.8 cm long; seeds minute, granulate.

Fl. & Fr. June - Oct.

Distrib. On rocky crevices in high altitude grasslands of W. Ghats. Kamataka, Tamil Nadu and Kerala.

Endemic.

Chromosome no. n = 8 (Bhaskar, V. & B.A. Razi in J. Mysore Univ. sec. B. 25: 116. 1972 - 73); 2n = 16 ( Rao, R.V.S. in Proc. Indian Sci. Congr. sect. Bot. 60(3): 137. 1973).