any of a genus (Hibiscus) of plants, shrubs, and small trees of the mallow family, with large, colorful flowers
See hibiscus in American Heritage Dictionary 4
(hī-bĭsˈkəs)
noun
Any of various chiefly tropical shrubs or trees of the genus Hibiscus, having large, showy, variously colored flowers with numerous stamens united into a tube surrounding the style.