Phylloclade of Opuntia is stem because
It bears flowers and leaves
It arises in the axil of leaf
Only $(b)$ is correct
Both $(a)$ and $(b)$ are correct
Give scientific reasons : Opuntia has phylloclade.
Which one of the following is a xerophytic plant in which the stem is modified into the flat green and succulent structure?
Stem takes part in storage and perennation in