The correct option is B opposite
The pattern of arrangement of leaves on the stem is called phyllotaxy.
The type of phyllotaxy in Calotropis is opposite decussate. In this type of phyllotaxy, two leaves arise at each node and the successive pair of leaves lie perpendicular to each other.
In alternate phyllotaxy, a single leaf arises at each node.
In whorled phyllotaxy, more than two leaves arise at each node.