YAUTIA
yautia, tannia, spoonflower, malanga, Xanthosoma sagittifolium, Xanthosoma atrovirens
(noun) tropical American aroid having edible tubers that are cooked and eaten like yams or potatoes
Source: WordNet® 3.1
Etymology
Noun
yautia (plural yautias)
An edible plant commonly found in the Caribbean: Xanthosoma sagittifolium, new cocoyam.
Synonyms
• cocoyam (see that entry for more)
Source: Wiktionary
Yau*ti"a, n. [Native name in the Antilles.]
Definition: In Porto Rico, any of several araceous plants or their starchy
edible roots, which are cooked and eaten like yams or potatoes, as
the taro.
Source: Webster’s Unabridged Dictionary 1913 Edition