phellogenn.

Brit.

/ˈfɛlədʒɛn/,

/ˈfɛlədʒ(ə)n/, U.S.

/ˈfɛləˌdʒɛn/,

/ˈfɛlədʒən/

Origin: A borrowing from German. Etymon: German Phellogen.

Etymology: < German Phellogen (1873 in the passage translated in quot. 1875) < phello- (in Phelloderma phelloderm n.) + -gen -gen comb. form.

Botany.

The layer of meristematic cells from which phellem is formed; the cork cambium.

ΘΚΠ

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).

单词	phellogen
释义	phellogenn. Brit. /ˈfɛlədʒɛn/, /ˈfɛlədʒ(ə)n/, U.S. /ˈfɛləˌdʒɛn/, /ˈfɛlədʒən/ Origin: A borrowing from German. Etymon: German Phellogen. Etymology: < German Phellogen (1873 in the passage translated in quot. 1875) < phello- (in Phelloderma phelloderm n.) + -gen -gen comb. form. Botany. The layer of meristematic cells from which phellem is formed; the cork cambium. ΘΚΠ 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). < n.1875
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