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Article

Ray flower initiation in the Helianthus radula inflorescence is influenced by a functional allele of the HrCYC2c gene.

Genesis (New York, N.Y. : 2000) - 1 Dec 2020

Fambrini Marco, Bernardi Rodolfo, Pugliesi Claudio

Abstract excerpt

The radiate pseudanthium, with actinomorphic disk flowers surrounded by showy marginal zygomorphic ray flowers, is the most common inflorescence in the Helianthus genus. In Helianthus radula, ray flower primordia are normally absent at the dorsal domain of the inner phyllaries (discoid heads) while the occurrence of radiate inflorescences is uncommon. In Helianthus spp., flower symmetry and inflorescence...

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PMID: 33283401
DOI: 10.1002/dvg.23401

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