Normal secondary growth occurs in
Dicot stem
Monocot stem
Both $(a)$ and $(b)$
Root
Bark refers to all tissues exterior to the
The wood is, in fact a
In old trees, the greater part of secondary xylem is dark brown due to the
Definitions / Explanation :
$(i)$ Early wood
$(ii)$ Late wood
Vascular cambium of dicot root is purely secondary in origin and arise from