/ Thesaurus / H Synonyms of hypericum virginianum Find synonyms for: Noun1. marsh St-John's wort, Hypericum virginianum, St John's wortusage: perennial marsh herb with pink to mauve flowers; southeastern United StatesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language