Botanical Survey of India | Flora of India

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Impatiens coelotropis C. Fischer in Bull. Misc. Inform. 1934: 390-391. 1934 & in Gamble, Fl. Pres. Madras 1871. 1936.


Undershrubs, weak, erect or prostrate, glabrous, up to 1 m or little more high; stems terete, green with red patches at insertion of leaves, succulent, eventually becoming woody, brown, erect, stems unbranched, prostrate ones emitting long slender furred roots from nodes. Leaves alternate, ovate to narrowly lanceolate, base cuneate, often unequal-sided and decurrent on one side, acute or rounded at apex, regularly and closely or rather distantly serrate along margins, serratures subappressedly apiculate, 5 - 13 x 2.5 - 6 cm, succulent, bright green with a velvety lustre above, paler below, eventually becoming yellow or scarlet, drying dark-brown; midnerve and 3 - 6 pairs of primary nerves slightly prominent and pale green below; petiole terete, channelled above, 1.5 - 7 cm long, red, usually bearing 1 - 4, solitary or paired capitate glands above middle. Racemes axillary, 3 - 4 -flowered; peduncles solitary, 1.3 - 8 cm long; pedicels 1 - 4 cm long; bracts lanceolate, acuminate, 6 - 7 x ca 2.8 mm, mid nerve stout, margins entire, early deciduous, leaving an elongated scar. Flowers up to 2.7 cm long. Lateral sepals thick, ovate-lanceolate, concave, acuminate, bluntly keeled, 1.4 - 1.6 cm long, scarlet. Lip deeply cylindric-saccate, slightly compressed laterally, ca 1.8 cm long. 1 cm across, anterior part of mouth with a curved acuminate beak, 4 mm long; spur 6 - 10 mm long, tubular, blunt, upcurved with apex appressed to front of sac, bright glossy-green, becoming scarlet at mouth with a crimson patch on beak, nerves deeply looped in the shape of sac. Standard suborbicular, cucullate, acute, ca 1.5 cm long, scarlet, keel ca 2.5 mm wide,hollow. Wings sessile, ca l.5 cm long, 2-lobed;lobes slightly overlapping; distal oblong-falcate, obtuse, nerved, basal lobes semi-obovate, rounded, scarlet with bullate crimson patches. Capsules ellipsoid-fusiform, ca 1.5 cm long, green, glossy; seeds up to 15, more or less kidney-shaped, compressed, ca 1.4 x 2 mm, pale brown, minutely papillose.

Fl. & Fr. Aug. - Nov.

Distrib. India: Growing among rocks under trees that border streams on open grasslands and also amongst undergrowth in moist shola forests between 2,100 m to 2,500 m. Kerala (Southern W. Ghats in Nemakad gap and Anaimudi slopes).

Endemic.




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