any of a genus (Hoya) of tropical, evergreen shrubs of the milkweed family; esp., a vine (H. carnosa) with star-shaped, waxy, white-and-pink flowers
See hoya in American Heritage Dictionary 4
(hoiˈə)
noun
Any of several evergreen climbing vines or shrubs of the genus Hoya, with a home range from India and southern China to Australia and having opposite, simple leaves and axillary, umbellate flower clusters. Also called porcelain flower, wax vine.