Related Clues:

• Truffle, e.g.
• Spud, e.g.
• Underground stem
• Yam, e.g.
• Rutabaga relative
• Type of greens
• Jerusalem artichoke, for one
• A starch source
• Greens type
• Spud, for one
• Rutabaga's cousin
• Arrowroot, e.g.
• Vegetable with greens
• Underground plant part
• Potato or yam, e.g.