Breadcrumb Home > Thesaurus > P Synonyms of pteropogon humboltianum Find synonyms for: Noun1. pteropogon, Pteropogon humboltianum, herb, herbaceous plantusage: southern Australian plant having feathery hairs surrounding the fruitWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: temporize Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language