In Tamarind $(Imli)$, the pinnate leaf is:

The bladder serving as floats for trapping insects is found in

In $Acacia$ species,the first few leaves are pinnately compound. Then there are leaves with flattened petiole and fewer pinnae. The leaves of the adult plant have parallel-veined flattened petioles and no pinnae. It shows that:

Phyllode is present in ...........

Identify the plant that shows the heterophylly depicted in the image below.

$A$ leaf with more stomata on the lower surface belongs to which type?