Impatiens jurpia Buch.-Ham. ex Hook. f. & Thomson in J. Linn. Soc., Bot. 4: 140. 1860; Hook. f., Fl. Brit. India 1: 471. 1875 & in Rec. Bot. Surv. India 4: 14. 1905; Biswas, Pl. Darj. Sikkim Himal. 1: 207. 1966; H. Hara in Fl. E. Himal. 1: 196. 1966 & 2: 75. 1971.

Shrubs; stems 1.5 - 2.5 m high; stems branched, stout, woody below, finely pubescent. Leaves alternate ovate-elliptic to elliptic-oblong or oblanceolate, attenuate towards base into petiole, caudate-acuminate at apex, shallowly crenate to crenate-serrate with filiform glandular appendages on crenations thin and starting almost from middle of petiole, 5 - 25 x 2.5 - 8 cm, pubescent on both. Sides, lateral nerves 6 - 12 pairs; petioles red, up to 7 cm long, very narrowly winged with a pair of stalked glands on either side. Inflorescens axillary large pedunculate racemes. Flowers 2 - 4, large, 3 - 5 cm long yellow or light orange to white With wings yellowish and With red line on back; bracts subulate, ca 4 mm long red. Lateral sepals 2, ovate-lanceolate, acuminate reddish. Lip navicular, 2 - 3 cm long, spurred; spur abruptly constricted, coiled, obtuse, ca 1 cm long, reddish with brownish spots or deep red. Standard suborbicular, 1.3 - 1.5 x 1.8 - 2 cm, dorsally spurred; spur red, ca 5 mm long. Wings 2-lobed, 3 - 1.8 cm long; basal lobes ovate, entire, ca 1.3 x 1.5 cm; distal lobes elliptic-oblanceolate, entire, ca 2 x 1.3 cm; dorsal auricle present. Capsules linear, acute, 1 - 3 cm long, glabrous.

Fl. & Fr. June - Dec.

Distrib. E. Himalayas,ca 1000 - 1700 m. W. Bengal (Darjeeling), Sikkim, Arunachal Pradesh and Meghalaya.

Nepal and Bhutan.

Notes. Dorsal spur on the standard that protrudes in front of the flower is a characteristic feature.