Tetradynamous condition is characteristic of

$A$ diagnostic trait for the identification of a fabaceous flower is:

Which of the following families possesses a perianth of six coloured tepals?

Diadelphous stamens are found in .........

Which of the following characters are related to the Asteraceae family?
$(a)$ Inflorescence racemose head or capitulum
$(b)$ Fruit with hairy pappus
$(c)$ Placentation marginal
$(d)$ Ovary superior

The $Verticillaster$ inflorescence is a characteristic feature of which family?