1. Also called Bengal rose. a rose, Rosa chinensis, of China, having slightly fragrant crimson, pink, or white flowers.
2. Also called Chinese hibiscus, rose of China. a tropical Asian shrub, Hibiscus rosa-sinensis, of the mallow family, having showy, usually rose-red flowers.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.