English: Dahlia cultivars. Most (but not all) of the 20,000+ named Dahlia cultivars are derived from the nothospecies Dahlia × hortensis Guillaumin (Formula hybridae: Dahlia coccinea Cav. × Dahlia pinnata Cav.). They are divided into ten main cultivar groups by the International Register of Dahlia Names:

Cultivars

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Group 1 Single

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See also: Single Dahlias

Group 2 Anemone

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See also: Anemone Dahlias

Group 3 Collerette

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See also: Collerette Dahlias

Group 4 Waterlily

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See also: Waterlily Dahlias

Group 5 Decorative

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See also: Decorative Dahlias

Group 6 Ball

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See also: Ball Dahlias

Group 7 Pompon

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See also: Pompon Dahlias

Group 8 Cactus

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See also: Cactus Dahlias

Group 9 Semi-cactus

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See also: Semi-cactus Dahlias

Group 10 Miscellaneous

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See also: Miscellaneous Dahlias

Unclassified images of Dahlia cultivars

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