ephemeral

lasting a very short time

Beginning and ending in a day; existing only, or no longer than, a day; diurnal; as, an ephemeral flower.

Greek ephemeros, meaning 'of a day'

“Not merely born for the day, I maintain that they are spiritually ephemeral--Well, my opinion of your sex is directly traceable to you.”

— George Meredith, Complete Project Gutenberg Works of George Meredith

“This switch established phenotypes common in perennial plants, such as wood formation. ==See also== * * * , then dies. * Ephemeral plant ==References== ==External links==”