- a rose, Rosa chinensis, of China, having slightly fragrant crimson, pink, or white flowers.
- a tropical Asian shrub, Hibiscus rosa-sinensis, of the mallow family, having showy, usually rose-red flowers.
- a rosaceous shrub, Rosa chinensis (or R. indica), with red, pink, or white fragrant flowers: the ancestor of many cultivated roses
- a related dwarf plant, Rosa semperflorens, having crimson flowers
- another name for hibiscus
