a tropical Asian plant of the arum family which has edible starchy corms and edible fleshy leaves, especially a variety with a large central corm grown as a staple in the Pacific 芋。 亦称 dasheen, cocoyam
Colocasia esculenta var. esculenta, family Araceae 拉丁名Colocasia esculenta var. esculenta,天南星科 ■the corm of this plant 芋头