rhizophoren.
/ˈrʌɪzəfɔː/, U.S. /ˈraɪzəˌfɔr/ Botany.
In many clubmosses of the genus Selaginella and certain other members of the family Lycopodiaceae: a leafless branch arising at the fork of a stem, which grows downwards and bears roots on contact with the earth.
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the world > plants > particular plants > moss > [noun] > club-moss or moss-like ferns > parts of
powder1672
oophoridium1847
oophorid1848
oosporangium1857
macrosporangium1862
rhizophore1875
megasporangium1886
megasporange1889
protophyll1891
prophyll1971
1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 411 The Rhizophores of Selaginella.
1901 Science 8 Mar. 388/1 Stigmaria is held to represent a rhizophore, of which the stigmarian appendages would therefore be the roots.
1917 E. C. Jeffrey Anat. Woody Plants xix. 262 They [sc. Stigmarian rootlets] are, in fact, to some extent comparable to the anomalous roots found in the genus Selaginella known as rhizophores.
1974 Plant Physiol. 53 738/1 The rhizophore is positively geotropic, and during its growth branches dichotomously once or twice.
2003 Willdenowia 33 165 A remarkable feature of the new species [of Selaginella] is the variable position of rhizophore insertion, sometimes almost dorsal.
This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).
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n.1875