Botanical Survey of India | Flora of India

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Impatiens munnarensis Barnes in Bull. Misc. Inform. 1938: 32. 1938.


Herbs, weak, erect or semi-erect, up to 1 m high; stems slender, sparingly branched, often procumbent below, rooting at lower nodes. Leaves variable, usually lanceolate, base broadest, shallowly cordate tapering to an acute apex or narrowly ovate, subacute at base, distinctly serrate along margins with apiculate teeth, setose at base, up to 5.5 cm x 1.7 cm, pubescent above, glabrous and pale, sometimes glaucous below; petioles flattened, red above, decurrent on stem; stipules filiform, pointed, red, tips darker, bent towards right angles pointing downwards. Pedicels solitary or up to 4, fascicled in axils, very short in bud, in flower 1 - 2.5 cm long, partially reflexed in fruit. Flowers 1 - 1.3 cm long. Lateral sepals filiform, curved, ca 6 mm long. Lip boat-shaped, cuspidate in front, white with purple nerves, bottom somewhat flattened with a small pit instead of spur, inside convex continued forward as a ridge with a small yellow or orange crest about middle. Standard ovate, keeled, tip mucronate. Wings white with lilac or violet markings; distal lobes obovate-triangular; basal lobes triangular; dorsal auricle bluntly conical or rounded, placed at right angles, dark-purple. Capsules fusiform, later swollen, acuminate, 1.3 - 1.5 cm long, few seeded; seeds black, glossy, ca 1.5 mm long.

Fl. & Fr. Sept. - Dec.

Distrib. India: Southern W. Ghats, common on edges of streams and marshy places in High Range near Munnar. Kerala.

Endemic.

Notes. The depression on innerside of lip appears to be a unique feature but it is not easily seen in dried specimens. Closely related to Impatiens inconspicua Benth. ex Wight & Arn. Not located since type collection.




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