Botanical Survey of India | Flora of India

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Dipterocarpus indicus Beddome, Fl. Sylv. t. 94. 1871; Rama Rao in Pore Pl. Travancore 34.1914; Gamble, Fl. Pres. Madras 81.1915. D. turbinatus auct. non Gaertn. f. 1805; Dyer in Fl. Brit. Ind. 1: 295. 1874, p.p.

Kan.: Yennemara, Banasampa, Dhuma, Challenne, Kallenne; Mal.: Kalpayin, Vavangu, Velayanii Tam.: Ennei.

Evergreen trees, ca 40 m tall; bole straight, ca 20 m long, cylindrical, ca 4.5 m in girth; wood light red to greyish-brown, moderately heavy, fine-textured; young shoots short adpresscd tomentose. Leaves 12 - 25 x 6.2 - 17.5 cm, ovate, truncate-cordate at base, acute at apex, entire; lateral nerves 10 - 15 pairs. Flowers white, fragrant, ca 7.5 cm across, in axillary, 3 - 8-flowered racemes. Tube of fruiting calyx smooth, obconic, two enlarged lobes (wings) 7.5 - 14 x 3.5 cm, strongly 3 - 5-nerved, reticulate, three other lobes deltoid or orbicular, ca 1 cm across. Petals tinged with pink. Staminal filaments yellowish. Fruits brownish, 1.7 - 2.6 cm across, glabrous.

Fl. Dec. - March; Fr. April - July.

Distrib. India: In tropical evergreen and semievergreen forests, up to 1000 m. Karnataka, Tamil Nadu and Kerala.


Notes. It closely resembles D. turbinatus Gaertn. f. and is considered cospecific with it by some botanists. D. indicus Beddome, differs from it in having smaller leaves with fewer pairs of lateral nerves, smaller flowers in usually branched racemes, a more globular fruit with shorter, more strongly 3-nerved wings and more or less densely stellate-scaly petioles, main nerves beneath and inflorescences.

Wood extensively used for house construction especially for interior works; for ship building, for making railway carriages, masts of boats and also in plywood industry. The oleo-resin is applied for treating rheumatic complaints.


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