Botanical Survey of India | Flora of India

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Shorea assamica Dyer in Fl. Brit. India 1: 307. 1874.

Asm.: Mekoi Mekai Mekahi; Eng.: Makai

Trees, ca 50 m tall; trunk ca 7 m in girth; crown spreading; bark light brown to reddish-brown, exfoliating in large flakes; branchlets dark coloured, pubescent and lenticellate. Leaves 5 - 18 x 3 - 7 cm, broadly elliptic or elliptic-oblong, rounded at base, shortly acuminate at apex, entire, glabrous and shining above, softly pubescent along midrib and nerves beneath, becoming glabrous at maturity; lateral nerves ca 17 pairs, parallel rather prominent above; petioles 7 - 10 mm long, thinly pubescent. Flowers 1.2 - 1.5 cm long. Calyx tube very short; lobes 5 mm long, three outer lobes larger than inner two. Petals ca 1.3 cm long, white or creamy, somewhat unequal falcate-oblong, velvety pubescent outside, glabrous inside. Ovary ca 4 mm long, ovoid, somewhat compressed; styles filiform with a few minute hairs near base. Fruit belly ca 2 cm long and 1.2 cm across, ovoid, acuminate, glabrous; three larger wings 6 - 12 x 0.8 - 2.5 cm, linear to linear-obovate, rounded to subacute, 8 - 12-nerved, shorter ones 4 - 5 cm long, broadly ovoid to spathulate, 5-nerved, glabrous and shining.

Fl. Aug. - Oct.; Fr. Nov. - March.

Distrib. India: In evergreen forests on slopes in valleys between 150 and 900 m. Assam (Sibsagar and Lakhimpur), Arunachal Pradesh (Tirap and Lohit) and Nagaland.

Myanmar, Thailand and Malaysia.

Notes. A well known species for commercial plywood in eastern India. Wood also used for general construction purposes, for making canoes, bus and truck bodies, furniture, veneers, etc. Mixed with other woods, it is also used for making paper pulp.


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