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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 [tuh-loo-tuh-spawr, -spohr] /təˈlu təˌspɔr, -ˌspoʊr/ (Show IPA).
Origin of teliospore
1870-75; telio- (combining form of telium) + -spore
Related forms
teliosporic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for teleutospore
Historical Examples
  • There is also a further reduction in that the basidium is not derived from a teleutospore but is borne directly on the mycelium.

  • The teleutospore stages of species of Puccinia, Phragmidium, etc., are also so deep in colour as to appear almost black.

    Disease in Plants H. Marshall Ward
  • The teleutospore stage of many Uredineae also occurs in deep brown spots.

    Disease in Plants H. Marshall Ward
British Dictionary definitions for teleutospore


another name for teliospore
Derived Forms
teleutosporic, adjective
Word Origin
C19: from Greek teleutē, from telos end + spore


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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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