Botanical Survey of India | Flora of India

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Impatiens cathcartii Hook. f., Fl. Brit. India 1: 473. 1875 & in Rec. Bot. Surv. India 4: 14. 1905; Biswas, Pl. Darj. Sikkim Himal. 1: 209. 1966.


Herbs, perennial, up to 60 cm high; stems simple or sparingly branched, glabrous. Leaves spirally arranged, ovate to ovate-lanceolate or ovate-elliptic, broader at middle, acute to acuminate at apex, shallowly crenate along margins, 8 - 25 x 2.5 - 12 cm, deep-green above, pale beloW; lateral nerves 5 - 11 pairs; petiole slender, 0.8 - 9 cm long, sometimes with a few stipitate glands towards apex. Flowers 3 - 10, pedunculate, pale yellow; bracts small, ovate-lanceolate, 2.5 - 6 mm long, herbaceous; peduncles 1.5 - 10 cm long, glabrous; pedicels slender, 1.8 - 5 cm long. Lateral sepals orbicular, ca 1.6 cm long, rather thin. Lip broadly navicular, thinner; spur abruptly constricted, 1 - 1.8 cm, reddish. Standard cucullate, dorsally keeled, 1.6 - 1.8 x 2 - 2.2 cm. Wings 2.5 - 3.7 cm long, bilobed; basal and distal lobes almost equal in size; basal lobes broadly elliptic to kidney-shaped, entire; distal lobes broadly ovate, emarginate. Capsules cylindrical to clavate, linear, ca 2.2 cm long.

Fl. & Fr. June - Dec.

Distrib. India: E. Himalayas, 600 - 1550 m. W. Bengal (Darjeeling), Sikkim, Arunachal Pradesh and Meghalaya.

Bhutan.




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