Penstemon whippleanus
Penstemon whippleanus
Penstemon whippleanus Gray.
Engl.: Whipple's penstemon.
Sven.: dysterpenstemon.
Bot. syn.: Penstemon arizonicus A.Heller, Penstemon stenocepalus (A.Gray) Howell.
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Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.