Botanical Survey of India | Flora of India

JSP Page
Impatiens spirifer Hook. f. & Thomson in J. Linn. Soc., Bot. 4: 135. 1860; Hook. f., Fl. Brit. India 1: 471. 1875 & in Rec. Bot. Surv. India 4: 17. 1905; Biswas, Pl. Darj. Sikkim Himal. 1: 208. 1966.


Herbs, erect, 20 - 30 cm high, glabrous or sparsely pubescent; stems slender, sparingly branched. Leaves alternate, upper sessile, subverticillate; lower petiolate, alternate, ovate to ovate-lanceolate or ovate-elliptic, more or less rounded or some what attenuate at base, acuminate to long-acuminate at apex, shallowly crenate along margins, 2.5 - 7.5 cm long, membranous; lateral nerves 4 - 8 pairs, linked together by a loose network of secondary nerves; stipules setose. Flowers one or two, peduncled, yellow; pedicels very slender, 2 - 3.2 cm long. Lateral sepals ovate, cordate, 7 - 8 x 6 - 7 mm, usually with 3 mm long appendages, slightly pubescent. Lip bucciniform, ca 2 x 2.5 cm, pale-rose coloured; spur abruptly constricted, spirally coiled at apex, ca 5 mm long, purple-spotted. Standard cucullate, deeply emarginate to almost bifid, ca 1.5 x 1.4 cm. Wings bilobed, 2.3 - 2.5 cm long, violet-purple; basal lobes slightly smaller than distal ones, ovate to narrowly obcordate, 1.5 - 1.7 x 0.8 - 0.9 cm; distal lobes widely oblong, 1.5 - 1.9 x 1 - 1.2 cm. Capsules elongate, ca 0.5 - 2.5 cm; seeds globose, puberulous.

Fl. & Fr. Sept. - Dec.

Distrib. India: E. Himalayas, ca 1200 - 3200 m. W. Bengal, Assam, Sikkim, Nagaland and Meghalaya.

Nepal, Tibet, Bhutan and China.




JSP Page
  • Search