I like their closed mouths.
Pink ones and white ones (not pictured) here.
Digitalis purpurea (foxglove, common foxglove, purple foxglove or lady's glove), is a species of flowering plant in the genus Digitalis, in the family Scrophulariaceae, native and widespread throughout most of temperate Europe. It is also naturalised in parts of North America and some other temperate regions. The plants are well known as the original source of the heart medicine digoxin, (also called digitalis or digitalin).