The floral feature that can be shown in the floral diagram but not in floral formula is
Aestivation can be shown in the floral diagram but not in floral formula. Symmetry of flower is shown in floral formula and can be understood in floral diagram. Position of ovary can be shown in the floral formula but not in floral diagram. Adhesion and cohesion of floral parts can be shown in both floral diagram and floral formula.