Breadcrumb Home > Thesaurus > O Synonyms of obedient plant Find synonyms for: Noun1. false dragonhead, false dragon head, obedient plant, Physostegia virginiana, physostegiausage: North American plant having a spike of two-lipped pink or white flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language