Having flowers and leaves which appear at the same time; -- said of certain plants.
Having flowers and leaves appearing simultaneously; having flowers united together.
[Greek] Having flowers and leaves appearing simultaneously; having flowers united together (bot.).
si-nan'thus, adj. (bot.) denoting plants whose flowers and leaves appear together or at the same time.--n. SYNAN'THY. [Gr. syn, together, anthos, a flower.]