Botanical Survey of India | Flora of India

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Impatiens angustiflora Hook. f., Fl. Brit. India 1: 480. 1875 & in Rec. Bot. Surv. india 4: 31. 1905.


Herbs, annual, erect, up to 2 m high; stems stout, simple or branched, glabrous or finely pubscent. Leaves alternate, narrowly elliptic to elliptic-oblong or lanceolate, long-acuminate at apex, shallowly crenate along margins,3 - 7.5 x 1.2 - 3 cm, green, paler beneath; lateral nerves 4 - 9 pairs; petioles erect, 0.5 - 1.7 mm. Flowers horizontal to axis, 1.5 - 4 cm with spur, yellow or violet; bractss persistent, obliquely ovate, ca 5 x 2 mm; pedicels many, glabrous. Lateral sepals 4, 2 large, 2 minute, obliquely ovate, 2 - 4 mm. Lip obliquely navicular, spurred; spur long, slender, 1 - 3 mm long, greenish-yellow. Standard orbicular or oblong. Wings 0.5 - 2.3 cm long; basal lobes triangular, yellowish; distal lobes narrowly-ovate, pink. Capsules elongate, 0.5 - 2 cm, glabrous; seeds com-pressed, granular, black.

Fl. & Fr. March - Nov.

Distrib. India: E. Himalayas, 1500 - 3000 m, W. Bengal, Sikkim, Arunachal Pradesh, Assam and Meghalaya.

Bhutan.




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