The buds which arise at places other than leaf axils are called

What are the 'eyes' of a potato?

Phylloclade is found in

$A$ non-green stem branch that grows obliquely or sometimes grows horizontally inside the soil and then comes out of the soil as a leafy shoot is called:

An underground specialised shoot with a reduced disc-like stem covered by fleshy leaves is:

Colocasia is a