Epigynum auritum

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.
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".