Hello Guest They 'uncurl'; then they 'steep' or 'infuse' in the boiling water for a few minutes; or the tea 'brews'. If you're looking for a figurative description, you could say that they begin as 'buds' and end as 'petals'. MrP
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.