valvate

英文释义

a. Resembling, or serving as, a valve; consisting of, or
opening by, a valve or valves; valvular.
a. Meeting at the edges without overlapping; -- said of the
sepals or the petals of flowers in aestivation, and of leaves in
vernation.
a. Opening as if by doors or valves, as most kinds of
capsules and some anthers.