Botanical Survey of India | Flora of India

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Impatiens benthamii Steenis in Bull. Jard. Bot. Buitenzorg, ser. 1. 3. 17: 385. 1948. I. radicans Benth. ex Hook. f. & Thomson in J. Linn. Soc., Bot. 4: 126. 1860, non Zoll. & Morr. 1854; Hook. f., Fl. Brit. India 1: 451. 1874 & in Rec. Bot. Surv. India 4: 28. 1905. I. salicifolia Hook. f. & Thomson in J. Linn. Soc., Bot. 4: 124. 1860, non Turcz. 1859; Hook.f., l.c. 45. 1874.


Herbs, annual, 25 - 65 cm tall; stems square,sparsely branched, more or less crispy hairy. Leaves subsessile, opposite, upper at times whorled; lanceolate to oblong-elliptic or narrowly elliptic, acuminate to long-acuminate at apex, shallowly crenate along margins, filiform appendages scarcely developed, 3 - 11 x 0.9 - 1.8 cm, pubescent above and beneath; lateral nerves 6 - 14 pairs; petiole almost absent; stipules two soft fascicles of gland-tipped setae. Flowers 2.5 - 3.5 cm, dark-purple; bracts persistent, linear, ca 3 mm long; pedicels 1.5 - 2 cm long. Lateral sepals ovate-lanceolate to linear-lanceolate, ca 5 mm long. Lip bucciniform, 1 - 1.5 cm long, abruptly constricted into spur; spur short, curved, 3 - 7 mm. Standard obovate, keeled, with a dorsal conical obtuse horn-like structure. Wings 2-lobed; basal lobes ovate to triangular; distal lobes elliptic-oblong; dorsal auricle small. Capsules elliptic-lanceolate, 0.7 - 1.5 cm.

Fl. & Fr. April - Oct.

Distrib. India: E. Himalayas. Assam, Arunachal Pradesh, Meghalaya and Manipur.

Bangladesh and Myanmar.




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