Flower Questions in English

(C) flower is said to be zygomorphic when it can be divided into two similar halves only in one particular vertical plane.
Examples of zygomorphic flowers include pea,bean,Cassia,and Gulmohar.
In contrast,actinomorphic flowers (radial symmetry) are seen in Mustard,Datura,and Hibiscus.
Canna is an example of an asymmetric (irregular) flower.
Therefore,the correct option is $C$ (Gulmohar).

(C) $1$. Polyadelphous condition refers to the arrangement where stamens are united into more than two bundles.
$2$. In $Mustard$ $(Brassicaceae)$, the condition is tetradynamous.
$3$. In $Chinarose$ $(Malvaceae)$, the condition is monadelphous (stamens united into one bundle).
$4$. In $Citrus$ $(Rutaceae)$, the stamens are united into more than two bundles, which is known as polyadelphous.
$5$. In $Pea$ $(Fabaceae)$, the condition is diadelphous (stamens united into two bundles).
$6$. Therefore, the correct answer is $Citrus$.