Botanical Survey of India | Flora of India

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Impatiens langeana Hook. f. in Hooker's Icon. Pl. ser. 4. 10: t. 2907. 1913.


Herbs, tall, robust, glabrous. Leaves alternate, upper sessile, lower shortly petioled, elliptic to ovate-oblong, acute at apex, serrulate to crenate along margins, 5 - 15 cm long; lateral nerves 10 - 12 pairs; glands at base of petioles prominent. Flowers in axillary corymbs, ca 1.5 cm across; peduncles axillary, 2 - 3 cm long; pedicels slender, 8 - 1.2 cm long; bracts caducous, linear-lanceolate, 3 - 5 mm long. Lateral sepals 2, ovate to ovate-oblong or orbicular, cuspidate, membranous, glabrous or pubescent. Lip huccini-form, ca 7 mm long; spur slender, incurved, ca 1.5 cm. Standard orbicular, rounded at apex, 0.8 - 1.1 cm across, keeled on dorsal side ending in a mucro. Wings sessile, ca 1.2 cm long; basal lobes rounded triangular; distal lobes oblong. Capsules linear, acute, 2 - 2.5 cm long.

Fl. & Fr. Unknown.

Distrib. India: W. Himalayas. Uttar Pradesh (Kumaon).

Endemic.




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