aplanosporen.
/ˌeɪˈpleɪnə(ʊ)spɔː/, /ˌeɪˈplanə(ʊ)spɔː/, U.S. /ˌeɪˈpleɪnəˌspɔr/, /ˌeɪˈplænəˌspɔr/ Biology.
In certain algae and fungi: a non-motile asexual spore having a wall distinct from that of the parent cell; a non-motile zoospore.
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the world > plants > part of plant > reproductive part(s) > spore or sporule > [noun] > type of > other types of spore
aplanospore1884
gymnospore1885
dictyospore1931
ballistospore1949
1884 Jrnl. Royal Microsc. Soc. 4 108 The immotile reproductive cells, which are formed directly without any true process of cell-formation he [sc. Wille] calls ‘akinetes’; while to those formed asexually by true cell-formation he gives the term ‘aplanospores’.
1904 G. S. West Treat. Brit. Freshwater Algæ 15 Sometimes single non-motile cells are produced, which have been termed Aplanospores when formed by rejuvenescence.
1959 Chambers's Encycl. I. 253/1 Many coccoid types (e.g. Chlorella) reproduce solely by aplanospores.
2000 P. R. Bell & A. R. Hemsley Green Plants (ed. 2) iii. 52/2 Sometimes, after the initial division in the parent cell in a filament, aplanospores with resistant walls are produced instead of zoospores.
This is a new entry (OED Third Edition, September 2012; most recently modified version published online June 2022).
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n.1884