Name the various types of arrangements of leaves on a twig. Give two examples of each.

Phyllotaxy:

Phyllotaxy is the pattern of arrangement of leaves on a stem or branch.

The various types of arrangements of leaves on a twig are:

1. Alternate phyllotaxy- A single leaf arises at each node in alternate manner.
2. Opposite phyllotaxy- A pair of leaves arise at each node and lie opposite to each other.
3. Whorled phyllotaxy- More than two leaves arise at a node and forms a whorl.