Double-flowered

As a double flower blossoms or flowers are called, in which the elements of the actor apparatus are increasingly breeding. For filled single flowers the crown or tepals are increased beyond the natural number addition, usually by stamens, rarely the carpels are transformed into petals. In composite flowers ( of the subfamily herbaceous ), one speaks of filled head or basket when the tubular flowers ( disc florets ) in tongue petals (ray flowers) are converted.

Filled flowering plants, belonging to no one recognized variety or varieties whose name is not known, often with the addition of fl pl. (Latin flore pleno, " full bloom " ) behind the scientific name marked.

Since filled single flowers usually only the stamens are affected by the change, the female floral organs remain functional: So can form a hawthorn fruits when a midland hawthorn is as pollinator nearby. In tuberous begonias only the male flowers are filled. In tulips additional tepals not arise from stamens, but these are themselves often increased. The " radiant " composite flowers ( herbaceous s, o ) the ray florets ( ray florets ), however, are sterile, and this property carries over to the converted tubular flowers.

Filled Columbine (Aquilegia vulgaris)

Stuffed daffodil ( Narcissus)

Documents

• Gerhard Wagenitz: Dictionary of Botany. 2nd Edition, Spektrum Akademischer Verlag, Heidelberg, Berlin 2003, ISBN 3-8274-1398-2.

• Flower
• Horticulture