The botanical name of $Venus$ $Fly$ $Trap$ is:

What is the scientific name of $Bougainvillea$ $spectabilis$?

Thorns,spines and prickles are

How many plants among $Indigofera$,$Sesbania$,$Salvia$,$Allium$,$Aloe$,mustard,groundnut,radish,gram,and turnip have stamens with different lengths in their flowers?

Statement $X$: $Hibiscus$ $rosa-sinensis$ was placed in $Thalamiflorae$ by $Bentham$ and $Hooker$.
Statement $Y$: It possesses a cup-shaped thalamus and its petals are fused.

To which class does the plant shown in the figure belong?