In a dicotyledonous stem, the sequence of tissues from the outside to the inside is
Phellem-pericycle-endodermis-phloem
Phellem-phloem-endodermis-pericycle
Phellem-endodermis-pericycle-phloem
Pericycle-phellem-endodermis-phloem
Vascular bundles are conjoint, collateral, endarch and lack cambium between xylem and phloem in all, but not in
Amphivasal or leptocentric vascular bundles are found in
Some vascular bundles are described as open because these
Estimation of the age of the is done by
Amphicribal or hadrocentric vascular bundles are present in the stem of