Canada's Plant Hardiness Site

Synonymy

Plantaginaceae family
Penstemon fruticosus var. fruticosus (Pursh) Greene
En: shrubby penstemon, bush penstemon, shrubby beardtongue;
Fr: penstémon frutescente

[=Gerardia fruticosa Pursh - basionym]
[=Penstemon fruticosus 'Purple Haze']
[=Penstemon fruticosus (Pursh) Greene var. albus, ined.]