podetiumn.
/pəʊˈdiːʃ(ɪ)əm/, U.S. /poʊˈdiʃ(i)əm/ Botany.
In some lichens (esp. of the genus Cladonia): a lichenized stalk-like portion of a fruticose apothecium, bearing spore-producing tissue at its tip.The podetium was originally considered to be a stalk bearing an apothecium, rather than part of the apothecium itself.
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the world > plants > particular plants > lichen > [noun] > part(s) of
pelt1759
pelta1760
scutellum1760
scyphus1777
shield1796
podetium1814
apothecium1830
cistella1832
rhizine1832
scypha1832
soredium1836
amphigastria1842
gonidium1845
macrogonidium1853
hypothallus1855
crustaceous lichens1856
pycnide1856
perianth1857
isidium1866
thamnium1866
endospore1875
perigynium1882
pseudocyphella1882
thecium1882
parathecium1921
soralium1921
1814 J. E. Smith Introd. Physiol. & Systematical Bot. (ed. 3) xxiv. 377 I would gladly retain the word frons in preference to the thallus of Acharius,..pedicellus for his bacillum or podetium.
1857 M. J. Berkeley Introd. Cryptogamic Bot. §445. 409 In that genus we have the first indication of a stem to the apothecia, or, as it is called, a podetium.
1871 W. A. Leighton Lichen-flora 57 Podetia from disk of laciniæ,..scyphiferous.
1935 W. B. Grove Brit. Stem- & Leaf-Fungi I. 133 Dendrophoma podetiicola... Parasitic on the podetia and squamules of Cladonia.
1967 M. E. Hale Biol. Lichens i. 18 The fruticose structures of the common soil lichen Cladonia are called podetia.
1992 F. S. Dobson Lichens (ed. 3) 116 C. fimbriata. Similar to the preceding species..but distinguished by the slender stems to the podetia which open abruptly to a very regular cup.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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