Collarette — One row of flat or slightly cupped petals surrounding a disc. These flowers have an inner set of petaloid generally multiple and irregular forming a collar around the disc.
Anemone — One or more rows of petals surrounding a dense group of colored, elongated disc florets.
This is directly quoted from: https://www.dahlias.com/help-center/dahlia-classification/Collarette — One row of flat or slightly cupped petals surrounding a disc. These flowers have an inner set of petaloid generally multiple and irregular forming a collar around the disc.AN: Anemone — One or more rows of petals surrounding a dense group of colored, elongated disc florets.
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