Caladium is a genus of plant of the New World. It originated in the humid, tropical area of Peru and the Amazon River of Brazil and its family is Aracaceae. Caladiums have wide variation in the colors and marking of the attractive, large, single-bladed leaves, which rise on long stalks from freshy, underground bulblike corms. Thai Caladiums have been developed separatly from different parts of the world for more than one hundred year. The colors and forms are more colorful and compact.