Related Clues:

• Plant part
• Jerusalem artichoke, e.g.
• Root
• Water chestnut, e.g.
• Edible root
• Potato, e.g.
• Root vegetable
• ___ greens
• Starchy veggie
• Rutabaga, for one
• River floater
• Potato, for one
• Root veggie
• Vegetable grown underground
• Truffle, e.g.