The distinguishing feature of open vascular bundles is presence of
Cambium
Xylem and phloem
Pericycle
Endodermis
Cambium : Meristematic cells responsible for secondary growth.
Axillary bud originates from
According to histogen theory, stem epidermis is derived from
Velamen and spongy tissue is found in
Lacunate collenchyma is found in
Assertion : In stem, pericycle take active part in secondary growth. Reason : In dicots, pericycle has the capacity to produce lateral roots
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