peritheciumn.
/ˌpɛrɪˈθiːsɪəm/, U.S. /ˌpɛrəˈθisiəm/α. 1800s– perithecium.
β. 1800s perithece.
Mycology.
A flask-shaped or rounded ascocarp with an ostiole, found esp. among pyrenomycetes.
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
the world > plants > part of plant > reproductive part(s) > spore or sporule > [noun] > parts of or related to > spore-case
perithecium1800
conceptacle1819
sporangium1821
sporidium1821
receptacle1824
sporangiolum1824
spore-case1836
perispore1851
polyspore1855
perisporangium1856
sporange1857
thalamium1861
sporidiole1863
theke1872
macrosporange1882
polysporangium1890
1800 J. Hull Elements Bot. II. 289 Hysterium... Perithecium solitary, rigid.
1839 J. Lindley Introd. Bot. (ed. 3) 271 Lichens... Perithecium is the part in which the asci are immersed.
1889 A. W. Bennett & G. R. M. Murray Handbk. Cryptogamic Bot. 355 The Ascomycetes may be classed in three divisions:..the Pyrenomycetes, with pyrenocarps or peritheces (hymenia within flask-shaped bodies open at the neck).
1914 Amer. Jrnl. Bot. 1 500 The ascus swells up to double length and is set free from the perithecium through the ostiole or by the rupture of the wall.
1950 L. E. Hawker Physiol. Fungi v. 137 The apple and pear scab fungi..produce their conidia on the living host but produce perithecia only on dead leaves.
2001 Jrnl. Gen. Plant Pathol. 67 200 To elucidate perithecial wall development.., monoconidial isolates were collected from the surfaces of six perithecia.
Derivatives
periˈthecial adj. of or relating to a perithecium or perithecia; possessing a perithecium.
ΚΠ
1889 Bull. Torrey Bot. Club 16 31 Black Rot... Mr. Ellis first described the perithecial stage as Sphæria Bidwellii.
1950 L. E. Hawker Physiol. Fungi v. 135 As the sugar content rises, the number of perithecial primordia increases.
1962 C. J. Alexopoulos Introd. Mycol. (ed. 2) xiii. 265 The group includes not only the true perithecial fungi but also those with ascostromata.
1999 D. Ingram & N. Robertson Plant Dis. 6 An ergot of Claviceps purpurea, collected from sea lyme grass,..germinating to produce drum-stick perithecial stromas.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
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