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Definition

adjective

(1) (botany) Of a flower bud in which the perianth meet at the margins and not overlapping, such as in flower buds of many Hydrangea species.

(2) (botany) Resembling or functioning as a valve; through the valves (e.g. valvate dehiscence).

(3) Of, pertaining to, or composed of valve-like part(s).

Supplement

Word origin: Latin valvātus (with folding doors) See also:

• aestivation (botany)