Common names for these wonderful plants are Christmas rose or Lenten rose, depending on the species and time of bloom.
Learn about the Fall-Blooming Aconite on this Focus on Flowers.
These are excellent native perennials to add variety in the late summer garden and their colors make a good segue into fall.
The name "foxglove" seems to have evolved from "folk's glove." There was an ancient superstition that if you picked a foxglove you would offend the "fairies."