Historical clue formulations

• Tubers from which a gluten-free type of flour is derived — 2026-01-31
• Staple vegetables in Hawaiian cooking — 2026-01-24
• Sacred Polynesian plants — 2025-12-06
• Poi plants — 2019-02-10
• Plants of the arum family — 2017-03-31
• Plants sometimes used to make flour — 2016-09-30
• Island roots — 2014-02-20
• Starch sources — 2009-11-20
• Some Polynesian plants — 2009-09-18
• Hawaiian staple vegetables — 2007-10-28
• Starch sources — 2006-08-18
• Tropical tubers — 2006-08-16
• Starchy tubers — 2005-08-10
• Tropical roots — 2005-06-14
• Sources of starch — 2002-06-08
• Poi-producing plants — 2001-11-08
• Plants used to make poi — 1998-03-02
• Poi ingredients — 1997-01-08
• Pacific tubers — 1996-05-25