Botanical Survey of India | Flora of India

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Byttneria pilosa Roxb., Fl. India 1: 618, 381.1824; Masters in Fl. Brit. India 1: 377.1874.

Asm.: Dim-soh-doukha, Dum-shoh-dowkha; Kh. : Jirmi.

Large woody climbing shrubs; branchlets grooved, hispid with spreading hairs or sparsely stellate hairy. Leaves 10 - 18 x 6 - 15 cm, often broader than long, orbicular or ovate, shortly 3 - 5-lobed, lobes deltoid, entire or serrulate, abruptly acuminate, membranous, stellate-pilose on both surfaces. 7 - 9-nerved at base, midirb glandular; petioles 5 - 20 mm long, shaggy tomentose. Flowers minute, in much branched, pubescent axillary cymes; bracteoles subulate. Sepals ca 3 x 1 mm, ovate-Ianceolate, acute. Petals yellow, incurved, shorter than the sepals with a slender claw and a hooded limb, the apex of which covers fertile anthers, a long process develops from upperside of hood. Anther lobes reniform, divergent; staminodes ovate. Ovary 1 mm long, 5-locular; styles about as long as the ovary. Capsules 1.2 cm in diam., globose, densely covered with subulate barbed prickles, septicidally 5-valved. Seeds 1 in each locule, ca 5 x 3 mm, trianguIar.

Fl. Sept. - Nov.; Fr. Nov. - May.

Distrib. India: West Bengal (Darjeeling), Sikkim, Assam Meghalaya and Manipur..

Bangladesh and Myanmar.

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