Some vascular bundles are described as open because these
are surrounded by pericycle but no endodermis
are capable of producing secondary xylem and phloem
possess conjunctive tissue between xylem and phloem
are not surrounded by pericycle.
Length of petiole increases due to division of
Dendrochronology is
Duramen is present in
Aerenchyma is helpful in plants by
Intercalary meristem results in