Impatiens laxiflora Edgew. in Trans. Linn. Soc. London 20: 40. 1846; Hook. f., Fl. Brit. India 1: 479. 1875 & in Rec. Bot. Surv. India 4: 9. 1904; Biswas, Pl. Darj. Sikkim Himal. 1: 212. 1966. I. micranthema Edgew., l.c.; Hook. f., l.c. 481. 1875, incl. var. sikkimensis Hook.f

Herbs, glabrous; stems branched. Leaves lanceolate-elliptic to elliptic-oblong, shortly attenuate at base, acuminate at apex, crenate along margins with filiform appendages on basal crenations, 7.5 - 12.5 x 2 - 4.5 cm, membranous, green above, paler beneath; lateral nerves 6 - 12 pairs; petioles 2.5 - 7.5 cm; stipular glands present. Flowers white or rose; bracts persistent, narrow; peduncles axillary, slender, 4 - 8 cm long; pedicels regularly seriate, slender. Lateral sepals narrowly ovate, usually long-acuminate, ca 4 mm long, 3-nerved. Lip shallowly navicular, appendage present, 5 - 8 mm long, spurred;spur gradually constricted, filiform, straight or curved, 0.9 - 1.2 cm. Standard orbicular, ca 4 mm across. Wings bilobed; basal lobes elliptic, entire; distal lobes narrowly elliptic. Stamens 5. Ovary 5-carpellary; stigma sessile. Capsules clavate, 0.5 - 2.5 cm, glabrous.

Fl. & Fr. July - Oct.

Distrib. India: W. & E. Himalayas. Jammu & Kashmir, Uttar Pradesh, W. Bengal, Sikkim and Meghalaya.

Endemic.