Caladium n. : 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.

Example:
Can I use "Caladium bicolor" as a water marginal plant ?

Taxonomy
Caladium, cultivation, Caladium bicolor, Florida, free encyclopedia, plant, varieties, Sweetheart, Heart of Jesus, unranked, Species, common names, Angel Wings, elephant ear, genus Caladium, Fancy-leaved caladium, temperatures, the leaves.

Defination from the web:
Caladium includes seven species, which are indigenous to Brazil and to neighboring areas of South America and Central America. ... Every August, a festival is held in Lake Placid, Florida, home to a majority of the world's caladium fields. ...