Oblique ovary is found in family

Which family possesses a perianth?

Family $Fabaceae$ differs from $Solanaceae$ and $Liliaceae$. With respect to the stamens,pick out the characteristics specific to family $Fabaceae$ but not found in $Solanaceae$ or $Liliaceae$.

The most advanced family is

The correct floral formula of $Atropa$ $belladonna$ is $:-$

The name of the family .......... is based on its inflorescence.