Xanthosoma violaceum
Encyclopedia
Xanthosoma violaceum, commonly known as Tiquisque, produces a starchy tuber. It and the white species Xanthosoma sagittifolium
Xanthosoma sagittifolium
Xanthosoma sagittifolium, the arrowleaf elephant ear or arrowleaf elephant's ear, is a species of tropical flowering plant in the genus Xanthosoma, which produces an edible, starchy tuber.-Cuisine and reforestation:...

are sold commercially. These tubers and those of several related genera are important staple crops in many tropical regions.
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