Digitonin is a steroidal saponin (saraponin) obtained from the foxglove plant "Digitalis purpurea". The best-known species is the common foxglove, "Digitalis purpurea". "Digitalis purpurea" is an herbaceous biennial or short-lived perennial plant. Other forage plants are the foxglove ("Digitalis purpurea") and plants from the ragwort genus ("Senecio"). These belong to the same chemical family as similar ones found in foxgloves ("Digitalis purpurea"). Plants found within the woods include "Digitalis purpurea", "Dactylorhiza fuchsii", "Sorbus torminalis" and "Vaccinium myrtilus".