Alex Mustard / Giant basket star (Astrophyton muricatum) young clings to a seafan during the day (at night it will climb up to the top of the fan, unfurl and feed) East End, Grand Cayman, Cayman Islands, British Wes...

LYNN M. STONE / Fringed Gentian (Gentiana crinita) flowering in Midwestern fen, these flowers remain "wrapped" like a tight scarf until the sun strikes them, at which time they unfurl, as this one is doing, Batavia,...

Bernard Castelein / Yellow iris flower and morning dew {Iris pseudacorus} Belgium, Europe

Bernard Castelein / Yellow iris flower about to unfurl {Iris pseudacorus} Belgium, Europe