Beardtongue penstemon accommodates the bulbous shape of its pollinator -- bumblebees.
alt="Grinnell's beardtongue penstemon (Penstemon grinnellii) accommodates the bulbous shape of its pollinator -- bumblebees. June 23, 2024." border="0">
Grinnell's beardtongue penstemon (Penstemon grinnellii) accommodates the bulbous shape of its pollinator -- bumblebees. June 23, 2024.