What scientific reason connects the cabbage family to the term Cruciferae?

Answer

The flower structure features four petals arranged like a cross.

The botanical grouping Cruciferae is directly related to the physical structure of the flowers produced by plants in this family, which includes cabbage. Specifically, their flowers possess four distinct petals that are arranged geometrically in the shape of a cross. This distinctive morphological trait provided the historical basis for the designation Cruciferae, separating them visually and structurally from many other plant families based on this floral arrangement.

What scientific reason connects the cabbage family to the term Cruciferae?
foodplantvegetableingredientbrassica