Noun: cascade penstemon
- Whorls of deep blue to dark purple flowers at tips of erect leafy stems; moist places from British Columbia to Oregon
"Cascade penstemon flourished near the waterfall";
- Penstemon serrulatus
Derived forms: cascade penstemons
Type of: wild flower, wildflower
Part of: genus Penstemon, Penstemon, Pentstemon
Encyclopedia: Cascade penstemon