'Shepherd's purse' is the common name of ............ .

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

Dalbergia belongs to

Diadelphous condition is common in .......

Which family includes plants that are mostly used for producing economically important fibers?

In which family are flowers with a tricarpellary,syncarpous ovary found?