Edward Lear drew several illustrations of imaginary plants, which he termed Nonsense Botany. Here is Lear's complete collection of botanical drawings of silly plants and flowers.
Lear's Nonsense Plants and Flowers
Armchairia comfortabilis
Bluebottlia Buzztilentia
Bubblia Blowpipia
A
Bassia Palealensis
Tigerlillia Terribilis
Washtubbia...