(Sphenodesme involucrata)
Sphenodesme involucrata is a species of small liana in the genus Sphenodesme (family Lamiaceae). It is found in: India, Assam, Andaman & Nicobar Islands, Myanmar, Vietnam, Thailand, Malaya, Borneo, Guangdong, Hainan, Taiwan and central Vietnam: where it may be called bội tinh tong bao.