1. Tall perennial with hairy stems and leaves; widely cultivated for its large irregular edible tubers
   - Jerusalem artichoke, girasol, Helianthus tuberosus

Type of: helianthus, sunflower

• Y chromosome
• y'all
• y'know
• y-axis
• Y-fronts
• Y-linked gene
• Y-shaped
• Y2K
• Y2K compliant
• ya
• yabber
• yacca
• yacca podocarp
• yacht
• yacht chair
• yacht club
• yacht race
• yachting
• yachting cap
• yachtsman
• yachtswoman
• yack
• yack away
• yacker
• yackety-yak