Penstemon thurberi has no common name and is not in propagation anywhere except Tohono Chul, because everyone else is dumb.
Penstemon thurberi is awesome
Penstemon thurberi has no common name and is not in propagation anywhere except Tohono Chul, because everyone else is dumb.
Who took this image?
All the photos on this site are mine (except the Cleome serrulata on the taxonomy test post).