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单词 polysporic
释义

polysporicadj.

Brit. /ˌpɒlɪˈspɔːrɪk/, U.S. /ˌpɑliˈspɔrɪk/
Origin: Formed within English, by derivation. Etymons: poly- comb. form, spore n., -ic suffix.
Etymology: < poly- comb. form + spore n. + -ic suffix. Compare tetrasporic adj. at tetraspore n. Derivatives, polysporous adj.
Mycology and Botany.
Containing or producing numerous spores, polysporous; spec. producing spores in groups of five or more.
ΚΠ
1857 M. J. Berkeley Introd. Cryptogamic Bot. §172. 195 Distinguished by their almost constant production of tetrasporic, instead of polysporic, moniliform threads.
1883 Science 16 Nov. 663/2 The polysporic condition of the so-called asci.
1915 Ann. Missouri Bot. Garden 2 348 The situation in species with polysporic asci, where the spores result from numerous divisions of the fusion nucleus, is interpreted by some as a germination phenomenon.
1967 M. E. Hale Biol. Lichens iii. 46 One fungal component in a polysporic thallus must have a highly efficient mechanism to suppress other components.
1999 Parasitol. Res. 85 910 Comparison of the disporic M. trachinorum with polysporic species of Myxidium revealed significant differences in plasmodial ultrastructure.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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adj.1857
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