flo·​ri·​gen | \ ˈflȯr-ə-jən How to pronounce florigen (audio) \

Definition of florigen

: a hormone or hormonal agent that promotes flowering

Other Words from florigen

florigenic \ ˌflȯr-​ə-​ˈje-​nik How to pronounce florigen (audio) \ adjective

First Known Use of florigen

1936, in the meaning defined above

History and Etymology for florigen

borrowed from Russian florigen, from flori- flori- + -gen -gen

Note: The Russian term was apparently introduced by the Soviet Armenian plant physiologist Mixail Xristoforovič Čajlaxjan (1902-91) in an article published in 1936 in the Doklady Akademii Nauk SSSR/Comptes rendus de l'Académie des Sciences de l'URSS. An English version of the article, entitled "New facts in support of the hormonal theory of plant development," was published in vol. 13 (1936) of the Doklady, pp. 79-83.

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The first known use of florigen was in 1936

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Last Updated

4 Oct 2021

Cite this Entry

“Florigen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/florigen. Accessed 28 Nov. 2021.

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Britannica.com: Encyclopedia article about florigen


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