/ Thesaurus / M Synonyms of macleaya cordata Find synonyms for: Noun1. plume poppy, bocconia, Macleaya cordata, poppyusage: herb of China and Japan widely cultivated for its plumelike panicles of creamy white flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language