What Google Knows
The potato is a starchy tuber of the plant Solanum tuberosum and is a root vegetable and a fruit native to the Americas. The plant is a perennial in the nightshade family Solanaceae.
n an edible tuber native to south america; a staple food of ireland
n annual native to south america having underground stolons bearing edible starchy tubers; widely cultivated as a garden vegetable; vines are poisonous