- genus Arum - type genus of the Araceae: tuberous perennial herbs of Europe and Asia with usually heart-shaped leaves
--1 is a kind of monocot genus, liliopsid genus
--1 is a member of Araceae, family Araceae, arum family
--1 has members:cuckoopint, lords-and-ladies, jack-in-the-pulpit, Arum maculatum; black calla, Arum palaestinum