Breadcrumb Home > Thesaurus > P Synonyms of penstemon Find synonyms for: Noun 1. Penstemon, genus Penstemon, asterid dicot genus usage: large genus of subshrubs or herbs having showy blue or purple or red or yellow or white flowers; mostly western North America WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of penstemon (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: deracinate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language