edible seeds or roots or stems or leaves or bulbs or tubers or nonsweet fruits of any of numerous herbaceous plant

an edible tuber native to South America; a staple food of Ireland

edible tuberous root of various yam plants of the genus Dioscorea grown in the tropics world-wide for food

the edible tuberous root of the sweet potato vine which is grown widely in warm regions of the United States

sunflower tuber eaten raw or boiled or sliced thin and fried as Saratoga chips

round red root vegetable