How To Use Phellem In A Sentence

• As phellem cells develop, they become suberized and then die, forming a protective layer.
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• Phellem appears similar to the primary aerenchyma seen in aquatic roots of species of Ludwigia L.; however, similar lacunate tissue in extant Decodon verticillatus (L.) Ell. is secondary and this study shows this tissue to be homologous to that seen in the fossil Decodon J.F. Gmel.
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