Impatiens decipiens Hook. f. in Rec. Bot. Surv. India 4: 17. 1905.

Herbs, glabrous. Leaves alternate, elliptic-oblanceolate:, long-attenuate or cuneate at base, acuminate at apex; crenate along margins, 4.5 - 11 x 2.5 - 5 cm, mid green above, pale green below; lateral nerves 7 - 9 pairs. Flowers solitary. Lateral sepals ovate, 3 - 7 x 2 - 4 mm, appendage 1 - 2 mm long. Lip shallowly navicular, 6 - 9 mm long, spurred; spur abruptly constricted from lip, filiform, curved, 2 - 2.7 cm long. Standard caudate, emarginate, ca 1 x 1.2 cm. Wings ca 1.4 cm long; basal lobes ovate;, distal lobes ovate-elliptic. Capsules linear, 0.5 - 1.5 cm long.

Fl. & Fr. June - Oct.

Distrib. India: E. Himalayas, 1500 - 2750 m. W. Bengal and Sikkim.

Tibet.