Flower differentiation

Plant process by which the shoot apical meristem changes its anatomy to generate a flower or inflorescence in lieu of new nodes with leaves. Anatomical changes begin at the edge of the meristem, generating first the outer whorls of the flower - the calyx and the corolla, and later the androecium and gynoecium.

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Flower differentiation can take from only a few days (in annual plants) to 4-11 months (in fruit crops).

The process is preceded by flower induction.