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AIPMTAIPMT 1993Anatomy of Flowering Plants
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Solution:
Monocot trees such as palms grow in | thickness by primary thickening meristem situated at the base of the leaf. Plants like Dracaena show secondary growth by a special cambium. It develops in the form of strips just outside the vascular region. This cambial strips produce secondary vascular bundles which is amphivasal in Dracaena.