/ Thesaurus / H Synonyms of hibiscus mutabilis Find synonyms for: Noun1. cotton rose, Confederate rose, Confederate rose mallow, Hibiscus mutabilis, hibiscususage: Chinese shrub or small tree having white or pink flowers becoming deep red at night; widely cultivated; naturalized in southeastern United StatesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language