Impatiens gibbisepala Hook. f. in Bull. Misc. Inform. 1910: 298.1910.

Herbs, erect; stems branched, glabrous. Leaves alternate, ovate or ovate-lanceolate, caudate-acuminate at apex, crenate along margins with setae in sinuses, 6 - 10 cm long; lateral nerves 8 - 10 pairs; petiole slender, 3 - 5 cm long, stipular glands absent. Flowers golden yellow; bracts ovate-lanceolate, 2 - 3 mm long; peduncle few-flowered, erect, glabrous, shorter than leaves; pedicels 2 - 3 cm long. Lateral sepals 4, outer 2 oblong, acute or cuspidate, 6 - 7 mm long, inner 2 with a hyaline sharp point. Lip buccini form; spur slender, gradually constricted, ascending, mucronate, ca 3 cm long. Standard ovate to oblong, acute, ca 7 mm long. Wings sessile; basal lobes oblong or rounded at apex, ca 1.5 cm long; distal lobes three times longer, strap-shaped, ca 1.5 cm long; dorsal auricle absent. Capsules linear, slender; seeds many.

Fl. & Fr. July - Oct.

Distrib. India: E. Himalayas, ca 2500 m; very rare. Manipur.

Endemic.