/ Thesaurus / S Synonyms of sida spinosa Find synonyms for: Noun1. Indian mallow, Sida spinosa, mallowusage: tropical American weed having pale yellow or orange flowers naturalized in southern United StatesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language