Botanical Survey of India | Flora of India

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Impatiens campanulata Wight in Madras J. Lit. Sci. ser. 1. 5: 11. t. 7. 1837 & Icon. 3(1): 2. t. 744. 1844; Hook. f., Fl. Brit. India 1: 463. 1874.


Herbs, glabrous, robust, erect, ca 1.5 m high, sparingly branched. Leaves alternate, elliptic or broadly ovate-lanceolate, shortly and abruptly acuminate, incurved, bristly serrate, 7 - 15 cm long, membranous, glaucous beneath, nerves prominent; petiole eglandular, 2.5 - 5 cm long. Peduncle axillary, erect, 3-flowered; bracts very large, deciduous. Flowers creamy-white and yellow, speckled with purple. Lateral sepals broadly ovate, aristately acuminate, very large. Lip smooth, boat-shaped; spur very short, up to 2 mm long or absent. Standard orbicular, keeled on back. Wing-lobes small, incurved. Capsules ovoid to ellipsoid, attenuate at both ends; seeds globose, echinate.

Fl. & Fr. June - Sept.

Distrib. India: Southern W. Ghats from the Nilgiris, Anamalai and Pulney hills at an altitude of 1,800 - 2,200 m in moist woods. Tamil Nadu and Kerala.

Endemic.

Chromosome no. 2n = 20(Rao, R.V.S. in Proc. Indian Sci. Congr. sect. Bot. 60 (3): 137. 1973.




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