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[tee-lee-uh-spawr, -spohr, tel-ee-] /ˈti li əˌspɔr, -ˌspoʊr, ˈtɛl i-/
noun, Mycology
a spore of certain rust fungi, which carries the fungus through the winter and which, on germination, produces the promycelium.
Also called teleutospore.
1870-75; telio- (combining form of telium) + -spore
Related forms
teliosporic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for teliospore
  • Early in teliospore development, the two haploid nuclei in the teliospore undergo karyogamy to produce a diploid nucleus.
  • Germinating teliospore produces basidia from which tiny basidiospores are formed.
British Dictionary definitions for teliospore


any of the dark noninfective spores that are produced in each telium of the rust fungi and remain dormant during the winter Also called teleutospore
Word Origin
C20: from telium + spore
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Article for teliospore

in fungi (kingdom Fungi), a thick-walled, winter or resting spore of rust fungi (phylum Basidiomycota) borne in a fruiting structure (telium) from which a club-shaped structure (basidium) is produced.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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