Tobacco belongs to the ....... family.

Diadelphous stamens are the characteristic features of

Atropa belladonna is an important medicinal plant belonging to which family?

Select the correct option on the basis of the following characteristics:
$(I)$ Inflorescence - racemose
$(II)$ Gynoecium - ovary superior,monocarpellary
$(III)$ Seed - non-endospermic

Ray florets have

Petals possess a claw in: