Scientific name: Aphanamixis polystachya (Wall.) R. Parker

Family: Meliaceae

Synonym: Sphaerosacme polystachia Wall., Ricinocarpodendron polystachyum (Wall.) Mabb.

Bengali/Vernacular name: Royna, Pithraj, Tiktaraj, Titra, Beri-rata, Bajor (Bengali); Ronar gas (Noakhali); Baidraj (Sylhet).

Tribal name: Kay-naichu (Chak); Okhyyang, Kkhia (Mogh); Thei-pang-kai (Lushai); Naa-gey-bawn (Rakhaing).

English name: Amoora.

Description of the plant: A medium-sized, evergreen tree with a dense, spreading, umbrella-shaped crown, bark reddish-brown. Leaves large, 45-125 cm long, imperipinnate; leaflets 9-15, more or less elliptic or ovate-acuminate. Flowers sweet-scented, male flowers small, in solitary axillary spikes, much shorter than the leaves. Fruit a capsule, obovoid, yellowish at first, pink or red at maturity. Seeds plano-convex, covered with brownish-red or orange oily aril.

Aphanamixis polystachya

Plant parts used: Fruit.

Medicinal uses: Fruits are used for the treatment of enlarged spleen and liver.

Powder made from fruits of the plant is given for the treatment of leucorrhoea.

Paste made from the fruits of the plant is applied for the treatment of inflammation.

Distribution: This species occurs in the forests of Chittagong, Cox’s Bazar, Gazipur, Mymensingh, Sherpur, Tangail and Sylhet districts and the Chittagong Hill Tracts.


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