Botanical Survey of India | Flora of India

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Impatiens uncinata Wight in Madras J. Lit. Sci. ser. 1. 5: 11. t. 6. 1837 & Icon. 3 (1): 2. t. 747. 1844; Hook. f., Fl. Brit. India 1: 465. 1875.

Herbs, slender, up to 30 cm high, erect; stems sparingly branched, leafy. Leaves aranate, ovate or suborbicular, acute or cordate at base, acute or acuminate at apex, crenate to bristly serrate along margins, 3 - 7 x 2 - 4 cm, membranous, often ciliate at base, glabrous or hairy on nerves above. Petioles 1.5 - 4 cm long, glanduliferous at apex. Flowers 4 - 8 on short racemes, ca 2 cm across, pink; peduncles axillary, solitary, up to 8 cm long; pedicels 1 - 2 cm long. Lateral sepals obliquely ovate, pointed. Lip subcampanulate; spur inflated in middle, hooked at tip, short, stout. Standard elliptic. Wings 2-lobed, divaricate; distal lobes obovate or falcate; basal lobes oblong, smaller than distal ones. Capsules ellipsoid, attenuate below, beaked above, glabrous, ca 8 mm long; seeds few, globose, glabrous.

Fl. & Fr. March - Jan.

Distrib. India: Endemic to Southern W. Ghats at an altitude of 900 to 1700 m altitude in shady rocky places in dense moist forests. Tamil Nadu (Kanyakumari and Tirunelveli Districts) and Kerala (Thiruvananthapuram District).

Chromosome no. n = 8 (Bhaskar, V. in Taxon 25(1) : 155. 1976).

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