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florigen

American  
[flawr-i-juhn, flohr-] / ˈflɔr ɪ dʒən, ˈfloʊr- /

noun

  1. a hypothetical plant hormone produced in the leaves and transported to the apex to initiate flowering.

florigen British  
/ ˈflɒrɪdʒən /

noun

  1. the hypothetical plant hormone that induces flowering, thought to be synthesized in the leaves as a photoperiodic response and transmitted to the flower buds

"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

Other Word Forms

  • florigenic adjective

Etymology

Origin of florigen

C20: from Latin flōr-, flōs flower + -gen

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

How florigen stimulates the process of making a flower is “still an active research field,” says Lawren Sack, professor of ecology and evolutionary biology at UCLA.

From Los Angeles Times • May 23, 2023

Heat triggers a hormone called florigen that makes the jacaranda trees flower, North explains.

From Los Angeles Times • May 23, 2023

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.