Any members of the family Araceae, including the Jack-in-the-Pulpit ( Arisaema triphyllum), Wild Calla ( Calla palustris), and Sweet Flag ( Acorus calmus) of the North Country. From the Greek, aron, the name for the European Arum or Cuckoo Pint ( Arum italicum)
Arum is a genus of about 25 species of flowering plants in the family Araceae, native to Europe, northern Africa, and western Asia, with the highest species diversity in the Mediterranean region.