from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A tissue produced inwardly by the cork cambium.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The innermost parenchymatous tissue of the periderm of some plants

from the GNU version of the Collaborative International Dictionary of English

  • n. A layer of green parenchimatous cells formed on the inner side of the phellogen.

from The Century Dictionary and Cyclopedia

  • n. A definite layer of green parenchymatous cells beneath the cork, formed from the inner layers of the phellogen. Phelloderm may be demonstrated in the stems of Ribes, Lonicera, Spir├Ža, Deutzia, etc.


Greek phellos, cork; see bhel-2 in Indo-European roots + -derm.
(American Heritage® Dictionary of the English Language, Fourth Edition)


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