NPS Photo
Penstemon grandiflorus - Shell Leaf Penstemon, Large Beardtongue
Species: Penstemon grandiflorus
Common name: shell leaf penstemon, large beardtongue
Seedling identification: Cotyledons are tiny, narrow, pointed and waxy looking. Initially, when the true leaves emerge one is longer than the other, and the leaves are fairly narrow. As the leaves grow they widen at the center.