Related Clues:

• Its root yields poi
• Pacific crop
• Purple bubble tea flavor
• ___ chips (Hawaiian snack)
• Root veggie in Chikuzenni
• Plant with a root you can eat
• Ingredient in some purple milk teas
• Staple of African food
• Food that's 13-Across with one letter changed
• Chop up less conventional root crop
• Corm of (especially) taro
• Root consumed in the Pacific islands
• Edible Hawaiian root
• Popular boba flavor
• South Seas starch