penstemon pensiveness • penstemon barbatus · · · Info · Definitions · Characters · · penstemon · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) large genus of subshrubs or herbs having showy blue or purple or red or yellow or white flowers; mostly western North America. Synonyms: Penstemon, genus Penstemon. · · Noun Definition 1 Characters · · e latin small letter e U+0065 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074