phellogenn.
/ˈfɛlədʒɛn/, /ˈfɛlədʒ(ə)n/, U.S. /ˈfɛləˌdʒɛn/, /ˈfɛlədʒən/ Botany.
The layer of meristematic cells from which phellem is formed; the cork cambium.
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the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > cambium or periderm
cambium1672
peridermis1839
periderm1849
mother1862
phelloderm1875
phellogen1875
suber1913
1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 90 In some cases the phellogen of the periderm gives rise not only to cork-cells..but..permanent parenchyma-cells containing chlorophyll.
1908 W. R. Fisher Schlich's Man. Forestry V. 629 Usually in the first year of a shoot, the cells of the epidermis or those of the subjacent cellular tissue or even of a deeper tissue, become divided; the inner half form a cork mother-tissue (Phellogen), whilst the outer half are brick-shaped cork-cells.
1931 Forestry 5 83 At the base of woody cuttings the phellogen is responsible for most of the callus formation; but roots arise in the neighbourhood of the cambium.
1992 M. Ingrouille Diversity & Evol. Land Plants 47 The vascular cambium is a lateral meristem in the vascular tissue and the phellogen, or cork cambium, is one in the bark.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
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n.1875