cascade penstemon cascade mountains • cascade range · · · Info · Definitions · Synonyms · Characters · · cascade penstemon · · Text Common · · Latin · · Scripts 17 · · Length 5 · · Syllables Definitions · · · (noun) whorls of deep blue to dark purple flowers at tips of erect leafy stems; moist places from British Columbia to Oregon. Synonyms: cascade penstemon, Penstemon serrulatus. · · Noun Definition 1 Synonyms · · · penstemon serrulatus · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 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