penstemon_serrulatus
1. [ noun ] (botany) whorls of deep blue to dark purple flowers at tips of erect leafy stems; moist places from British Columbia to Oregon
Synonyms: cascade_penstemon
Related terms: wildflower Penstemon
Similar spelling:   Penstemon_barbatus
  Penstemon_rupicola
  Penstemon_cyananthus
  Penstemon_whippleanus
  Penstemon_newberryi
  Penstemon_fruticosus
  Penstemon_palmeri
  Penstemon_deustus
  Penstemon_rydbergii