/ Thesaurus / H Synonyms of hypericum calycinum Find synonyms for: Noun1. creeping St John's wort, Hypericum calycinum, St John's wortusage: creeping evergreen shrub with bright yellow star-shaped summer flowers; useful as ground coverWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language