/ Thesaurus / H Synonyms of heartleaf arnica Find synonyms for: Noun1. heartleaf arnica, Arnica cordifolia, wildflower, wild flowerusage: wildflower with heart-shaped leaves and broad yellow flower heads; of alpine areas west of the Rockies from Alaska to southern CaliforniaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language