During this stage, the process of floral organ development (GO:0048437) occurs. Floral organ development is defined as the process whose specific outcome is the progression of the floral organ over time, from its formation to the mature structure.

floral organ formation stage

A flower development stage (PO:0007615) that occurs in an individual flower (PO:000904) during the interval between the onset of a floral organ meristem development stage (PO:0007601) and the onset of a flowering stage (PO:0007616).

flower morphogenesis stage