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spongy tissue called velamen is present in

Answer» <p>Velamen tissue is found in the aerial roots of certain epiphytic orchids (e.g. Vanda)It is a protective tissue layer.The exodermis is surrounded by velamen, consisting of one to several layers of cells, which can develop root hair under proper environmental conditions. The velamen arises from the root tip by division of a special tissue.</p>


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