Phyllode of Acacia auriculiformis is a leaf modification because
It does not arise in the axil of a leaf
It bears a bud in its axil
It is vertical in position and reduces transpiration
All of these
Climbing roots occur in
Edible part in litchi is
$A$ : In Smilax, stipule changes into tendril & helps in climbing.
$R$ : Parallel venation is found in this plant.
Two spines in Trapa fruit $('Singhara'\,\, fruit)$ are modifications of