Vascular bundles are arranged in a ring in the members of which family?

Most primitive and advanced families of dicots are respectively:

Which plant is the source of groundnut oil?

Which of the following represents the floral characters of $Liliaceae$?

Given below are a few floral formulae of some well-known plants. Identify the families and describe the floral diagrams for these formulae.
$(i)$ $\oplus \, K_{(5)} \, C_{(5)} \, A_{5} \, \underline{G}_{(2)}$
$(ii)$ $\% \, K_{(5)} \, C_{1+2+(2)} \, A_{(9)+1} \, \underline{G}_{1}$
$(iii)$ $\oplus \, K_{5} \, C_{5} \, A_{5+5} \, \underline{G}_{(5)}$

Oblique ovary is found in family