Canada's Plant Hardiness Site

Plantaginaceae snapdragon family
Penstemon gracilis var. gracilis Nutt.
En: slender beardtongue, lilac beardtongue;
Fr: penstemon gracieuse

• [=Chelone gracilis (Nutt.) Spreng.]
• [=Penstemon digitalis Nutt. ex Sims var. glaucus (Graham) Trautv.]
• [=Penstemon digitalis Nutt. ex Sims var. gracilis (Nutt.) Trautv.]
• [=Penstemon glaucus Graham]
• [=Penstemon pubescens Aiton var. gracilis (Nutt.) A.Gray]