| velamen |
The thick, spongy layer of cells that surrounds the roots of epiphytic orchids.
Ãâó: www.orchidoptions.com/glossary.html
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| velamen |
The thick sponge-like covering of the roots of epiphytic orchids which helps prevent water loss and aids in absorption.
Ãâó: www.ocos.net/glossary.cfm
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