Epigynum auritum is a plant species in the genus Epigynum. It is native to Yunnan Province in China, as well as Assam State in India, Laos, Thailand, Myanmar (Burma), and the Peninsular region of Malaysia.Kew World Checklist of Selected Plant FamiliesFlora of China Vol. 16 Page 187 思茅藤 si mao teng Epigynum auritum (C. K. Schneider) Tsiang & P. T. Li, Acta Phytotax. Sin. 11: 397. 1973.
The flavanol epigeoside (Catechin-3-O-alpha-L-rhamnopyranosyl-(1-4)-beta-D-glucopyranosyl-(1-6)-beta-D-glucopyranoside) can be isolated from the rhizomes of E. auritum.
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