Write the floral formula of mustard and draw its floral diagram.

(N/A) The floral formula of mustard (Family: Brassicaceae) is: $\oplus \; \text{O}\mkern-11mu\nearrow \; K_{2+2} \; C_4 \; A_{2+4} \; \underline{G}_{(2)}$
Explanation of the floral formula:
$1$. $\oplus$: Actinomorphic (radial symmetry).
$2$. $\text{O}\mkern-11mu\nearrow$: Bisexual flower.
$3$. $K_{2+2}$: Calyx with $4$ sepals in two whorls of $2$ each.
$4$. $C_4$: Corolla with $4$ petals,polypetalous,arranged in a cruciform manner.
$5$. $A_{2+4}$: Androecium with $6$ stamens,tetradynamous ($2$ outer short,$4$ inner long).
$6$. $\underline{G}_{(2)}$: Gynoecium with $2$ carpels,syncarpous,ovary superior.