probasidiumn.

Brit.

/ˌprəʊbəˈsɪdɪəm/, U.S.

/ˌproʊbəˈsɪdiəm/

Inflections: Plural probasidia.

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: pro- prefix², basidium n.

Etymology: < pro- prefix² + basidium n., after French probaside (P. van Tieghem 1893, in Jrnl. de bot. 7 80).

Mycology.

Esp. in a smut or rust: the structure or developmental stage of a basidium (often a teliospore) in which nuclear fusion of gametes (karyogamy) occurs.

ΘΚΠ

the world > plants > particular plants > fungi > [noun] > parts of > reproductive parts

capsule1693

perithecium1800

aecidium1821

hymenium1830

pseudoperidium1832

pseudoperithecium1832

disc1842

trichidium1842

spicule1843

sporophore1849

stylospore1851

pycnide1856

cyst1857

pycnidium1857

basidium1858

cystidium1858

basidiospore1859

conidium1861

pollinarium1861

gonosphere1865

hymenophorum1866

spicula1866

teleutospore1866

promycelium1867

gonosphaerium1873

hymenophore1874

paracyst1874

sterigma1874

pollinodium1875

scolecite1875

uredospore1875

metuloid1879

operculum1879

uredo1879

aecidiospore1880

pycnidiospore1880

uredo-fruit1882

chlamydospore1884

teleutosorus1884

fruitcake1885

ascocarp1887

periplasm1887

pycnospore1887

pyrenocarp1887

macrostylospore1894

autobasidium1895

oidium1895

zygophore1904

aeciospore1905

aecium1905

pycniospore1905

teliospore1905

telium1905

uredinium1905

uredosorus1905

fruit-body1912

sporodochium1913

probasidium1916

fruiting body1918

pycnium1926

holobasidium1928

protoperithecium1937

uredium1937

1916 Ann. Missouri Bot. Garden 3 319 Fructifications resupinate, effused, coriaceous, producing probasidia upon the hyphae.

1979 I. K. Ross Biol. Fungi vi. 156 In the spring, each cell of the teliospore [in Puccinia graminis] functions as a probasidium and produces a thin-walled metabasidium.

2004 Plant Sci. 167 988/1 They [sc. smut fungi] germinate by forming a probasidium on which, following meiosis, four sporidia emerge.

Derivatives

probaˈsidial adj. of or relating to a probasidium.

ΚΠ

1949 Amer. Jrnl. Bot. 36 47/2 The gelatinous probasidial caps are shaded darkly.

1992 Mycologia 84 668 They develop filaments that break through the probasidial wall and grow through the stomata to the underside of the leaf and there form metabasidia.

This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).

单词	probasidium
释义	probasidiumn. Brit. /ˌprəʊbəˈsɪdɪəm/, U.S. /ˌproʊbəˈsɪdiəm/ Inflections: Plural probasidia. Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: pro- prefix², basidium n. Etymology: < pro- prefix² + basidium n., after French probaside (P. van Tieghem 1893, in Jrnl. de bot. 7 80). Mycology. Esp. in a smut or rust: the structure or developmental stage of a basidium (often a teliospore) in which nuclear fusion of gametes (karyogamy) occurs. ΘΚΠ the world > plants > particular plants > fungi > [noun] > parts of > reproductive parts capsule1693 perithecium1800 aecidium1821 hymenium1830 pseudoperidium1832 pseudoperithecium1832 disc1842 trichidium1842 spicule1843 sporophore1849 stylospore1851 pycnide1856 cyst1857 pycnidium1857 basidium1858 cystidium1858 basidiospore1859 conidium1861 pollinarium1861 gonosphere1865 hymenophorum1866 spicula1866 teleutospore1866 promycelium1867 gonosphaerium1873 hymenophore1874 paracyst1874 sterigma1874 pollinodium1875 scolecite1875 uredospore1875 metuloid1879 operculum1879 uredo1879 aecidiospore1880 pycnidiospore1880 uredo-fruit1882 chlamydospore1884 teleutosorus1884 fruitcake1885 ascocarp1887 periplasm1887 pycnospore1887 pyrenocarp1887 macrostylospore1894 autobasidium1895 oidium1895 zygophore1904 aeciospore1905 aecium1905 pycniospore1905 teliospore1905 telium1905 uredinium1905 uredosorus1905 fruit-body1912 sporodochium1913 probasidium1916 fruiting body1918 pycnium1926 holobasidium1928 protoperithecium1937 uredium1937 1916 Ann. Missouri Bot. Garden 3 319 Fructifications resupinate, effused, coriaceous, producing probasidia upon the hyphae. 1979 I. K. Ross Biol. Fungi vi. 156 In the spring, each cell of the teliospore [in Puccinia graminis] functions as a probasidium and produces a thin-walled metabasidium. 2004 Plant Sci. 167 988/1 They [sc. smut fungi] germinate by forming a probasidium on which, following meiosis, four sporidia emerge. Derivatives probaˈsidial adj. of or relating to a probasidium. ΚΠ 1949 Amer. Jrnl. Bot. 36 47/2 The gelatinous probasidial caps are shaded darkly. 1992 Mycologia 84 668 They develop filaments that break through the probasidial wall and grow through the stomata to the underside of the leaf and there form metabasidia. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.1916
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