Botanical Survey of India | Flora of India

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Impatiens asymmetrica Hook. f. in J. & Proc. Asiat. Soc. Bengal n. ser. 4: 189. 1908.


Herbs, annual; stems stout, nodes with a gland each. Leaves elliptic-lanceolate to lanceolate, attenuate towards base, deeply crenate along margins; long-acuminate at apex, 5.5 - 12 x 1.9 - 4.5 cm, pubescent above and beneath; lateral nerves 8 - 11 pairs. Flowers 2.5 - 4 cm long, yellow; bracts linear, 1 - 2 mm long; peduncle slender, 3.5 - 6 cm long, glabrous; pedicels many at top of peduncle, 1.5 - 1.8 cm long. Lateral sepals linear, acute, 4 - 5 mm long, pubescent. Lip shallowly and obliquely navicular, 2 - 3 cm long with an appendage, spurred; spur filiform, 1.3 - 1.5 cm long, usually with dark spots. Standard cucullate, acute, 7 - 10 mm. Wings ca 1.8 cm long; basal lobes triangular; distal lobes linear, ca 1.2 cm long. Capsules linear, acuminate, 1.7 - 2.8 cm long.

Fl. & Fr. Oct.

Distrib. India: E. Himalayas. W. Bengal.

Endemic.




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