Xanthosoma sagittifolium, the arrowleaf elephant ear, arrowleaf elephant's ear or American taro, is a species of tropical flowering plant in the genus Xanthosoma, which produces an edible, starchy corm. Cultivars with purple stems or leaves are also variously called blue taro, purple taro, purplestem tannia, and purple elephant's ear among others.
In Bolivia, it is called walusa, in Colombia bore, in Costa Rica tiquizque or macal, in Cuba malanga, in Mexico mafafa, in Nicaragua quequisque, in Panama ...