Canada's Plant Hardiness Site

Synonymy

Plantaginaceae family
Penstemon fruticosus (Pursh) Greene
En: bush penstemon, shrubby penstemon;
Fr: penstéon arbustif
  • [=Gerardia fruticosa Pursh - basionym]
  • [=Penstemon fruticosus 'Purple Haze']
  • [=Penstemon fruticosus (Pursh) Greene var. albus, ined.]
  • [=Penstemon fruticosus (Pursh) Greene var. scouleri (Lindl.) Cronquist]
  • [=Penstemon scouleri Lindl.]