florigen

[flawr-i-juh n, flohr-]
Related formsflo·ri·gen·ic, adjective
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British Dictionary definitions for florigen

florigen

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

Word Origin for florigen

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