What is a genus of aroideous plants, of which some species are cultivated for their immense leaves (which are often curiously blotched with white and red), and others (in Polynesia) for food called?

caladium — A genus of aroideous plants, of which some species are cultivated for their immense leaves (which are often curiously blotched with white and red), and others (in Polynesia) for food. (Webster's 1913.)