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florigen

[ flawr-i-juhn, flohr- ]

noun

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


florigen

/ 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


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Other Words From

  • flori·genic adjective
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Word History and Origins

Origin of florigen1

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

Genome modifications that focus on the florigen system—the same genetic system that led to many of the crop improvements in the history of agriculture—“may yield the greatest return for crop improvement,” they conclude.

Biologist Akiva Shalit-Kaneh of the Technion–Israel Institute of Technology, working with Eshed and others, finds that florigen and antiflorigen also influence the growth pattern of stems.

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floriferousflorilegium