white potato

(noun) annual native to South America having underground stolons bearing edible starchy tubers; widely cultivated as a garden vegetable; vines are poisonous. Synonyms: potato, white potato, white potato vine, Solanum tuberosum.

(noun) an edible tuber native to South America; a staple food of Ireland. Synonyms: potato, white potato, Irish potato, murphy, spud, tater.