text_combined: horny goat weed horny goat weed epimedium genus twenty one related plant species chinese refer epimedium yin yang huo loosely translated licentious goat plant explains western supplement companies adopted titillating name known u horny goat weed epimedium grown ornamental herb asia mediterranean region various species used medicinal purposes including epimedium sagittatum epimedium brevicornum epimedium wushanense epimedium koreanum epimedium pubescens read dont want