parthenosporen.
/ˈpɑːθᵻnəspɔː/, /ˈpɑːθn̩əspɔː/, U.S. /ˈpɑrθənoʊˌspɔr/ Botany and Mycology.
A thick-walled spore resembling a zygospore but produced parthenogenetically in certain algae and fungi.
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the world > plants > particular plants > algae > [noun] > parts, cells, or spores
anthosperm1844
trichosporangium1857
zoogonidium1857
octospore1870
macrozoogonidium1880
parthenospore1881
akinete1884
parthenogonidium1885
parthenosperm1889
phycobilin1945
phycobiliprotein1966
phycobilisome1966
phycoplast1972
1881 Amer. Naturalist 15 312 In the Volvocineæ and Mesocarpeæ, parthenospores.
1927 F. E. Fritsch West's Treat. Brit. Freshwater Algae (rev. ed.) 237 Formation of such parthenospores is also a perfectly normal phenomenon in Gonatonema whose vegetative structure is like that of Mongeotra.
1955 G. M. Smith Cryptogamic Bot. (ed. 2) I. xi. 408 A parthenogenetic development of eggs into parthenospores may occur in Pythium.
1990 Current Genetics 18 141 Some of these non-recombinant individuals may be derived from ‘parthenospores’ (dormant asexual cells resembling zygospores).
This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).
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n.1881