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[too r-ee-on, tyoo r-] /ˈtʊər iˌɒn, ˈtyʊər-/
noun, Botany
a small shoot, as of asparagus or certain aquatic plants, from which a new plant can develop.
< Latin turiōn- (stem of turiō) young shoot Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for turion
  • Thus turion size and depth distribution in sediments may be important environmental factors that regulate sago growth.
  • turion production of the curly leaf pondweed should be monitored from year to year.
  • The monoecious form of hydrilla puts more energy into tuber and turion production than does the dioecious form.
  • These adaptations likely differ among sago ecotypes and include increased relative turion production and increased shoot length.
British Dictionary definitions for turion


a perennating bud produced by many aquatic plants: it detaches from the parent plant and remains dormant until the following spring
Word Origin
C17: from French turion, from Latin turio shoot
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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