Familys

Actinomorphic, bisexual, bimerous; calyx-4, polysepalous, in two whorls of two each; corolla-4, polypetalous, cruciform; androecium-6, polyandrous, tetradynamous in two whorls, one with two, the second with four; gynoecium-bicarpellary syncarpous, superior.

Ebr actinomorphic bisexual K(2+2) C4 A2+4 G_(2)

The basic formula for the flowers of the family Brassicaceae (also known as the mustard family) is pentamerous symmetry, which means that the flower has five sepals, five petals, five stamens, and a single pistil with a superior ovary. The flowers of the Brassicaceae family are typically cruciform (cross-shaped) and have a bilateral symmetry, with four petals forming a cross shape and the fifth petal (the banner) positioned above the others.

As with all plant families, there can be some variation in the flower structure within the Brassicaceae family. For example, some species may have more or fewer than five petals, or the petals may be fused together to form a tube. However, the basic pentamerous symmetry and cruciform shape are characteristic of the family.

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Its given where the introduction of families is given , see the below picture

The floral formula of Mustard plant (Brassica) is described as Actinomorphic, bisexual, bimerous; calyx-4, polysepalous, in two whorls of two each; corolla-4, polypetalous, cruciform; androecium-6, polyandrous, tetradynamous in two whorls, one with two, the second with four; gynoecium-bicarpellary syncarpous, superior.