Vascular bundles in dicot leaves are
Scattered, conjoint, collateral, open
Scattered, conjoint, collateral, closed
Scattered, conjoint, collateral, open
Ringed, conjoint, collateral, closed
Duramen is present in
Amphicribal or hadrocentric vascular bundles are present in the stem of
An example of monocots showing secondary growth in stems is
Vascular tissues in flowering plants develop from