Botanical Survey of India | Flora of India

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Impatiens cordata Wight in Madras J. Lit. Sci. ser. 1. 5: 10. 1837; Hook. f., Fl. Brit. India 1: 462. 1874.


Herbs, flaccid, erect, 15 - 30 cm high; stems prostrate and rooting below, glabrous. Leaves alternate, ovate-cordate, acuminate, obscurely crenate, crenatures with minute cilia, 4 - 7.5 x 3 - 45 cm, membranous, nerves slender with scattered hairs on both surfaces; petiole 2.5 to 7.5 cm long. Peduncles 5 - 10 cm long, subterminal and axillary, 3 - 4-flowered; bracts broadly ovate, green. Flowers in umbels, lilac with purple centre or white with crimson near centre. Lateral sepals almost equalling standard, large, ovate, acuminate. Lip cymbiform; spur slender, incurved, ca 2 cm long. Wings with basal lobes small, incurved, fleshy; distal lobes almost orbicular, spreading. Capsules ellipsoid, beaked, glabrous; seeds almond-shaped, 11, 12 or 18 in capsule, ca 2.5 mm long, brown with a tuft of white hairs around the margin.

Fl. & Fr. March - Dec.

Distrib. India: In Southern W. Ghats south of Palakkad gap at an altitude of 1,200 to 2000 m along streams, sometimes on trees. Kerala and Tamil Nadu.

Notes. Closely related to l. leptura Hook. f. but differs mainly in leaf shape and seed character.

Chromosome no. 2n = 20 (Bhaskar & Razi in J. Mysore Univ. sec. B. 25 (1- 2): 118. 1972 & 1973; Rao, R.V.S. in Proc. Indian Sci. Congr. sect. Bot. 60 (3): 137. 1973; Bhaskar, V. in Taxon 25 (1): 155. 1976).




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