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Variety traits

Rose Double-flowering

Rosa L.

Double-flowering is a decorative trait in roses defined by the number of petals in a flower, which varies from simple forms with fewer than 8 petals to very double forms having over 70.

In the reference 1 377 varieties crop Rose, where this is mentioned in the description.

The classification of roses by the degree of double-flowering includes simple forms (up to 8 petals), semi-double (8–15), moderately double (21–29), medium double (30–39), double (more than 40), and very double (over 70 petals). This trait is often associated with the transformation of stamens and pistils into petals, which, in extreme cases, leads to the reduction of reproductive organs and the necessity for vegetative propagation only.

A high degree of double-flowering increases the decorative appeal of the flower, but it decreases its resistance to atmospheric precipitation, causing the petals to become waterlogged and rot. The stability of this trait depends on growing conditions and the age of the plant, while for commercial cut flower varieties, double-flowering is a targeted breeding trait.

General information about the subject — on the page Double flowering / Reversion.

Sources8

Varieties of Rose mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Lexteews

Active

Rosa L. · Rose

Evalesco B.V.

6 records

Rosa L. · Rose

Wilhelm-Alexander Kordes, Tim-Hermann Kordes, John-Vincent Kordes

6 records

Rosa L. · Rose

R HARKNESS and CO LTD

6 records

Ausway

Active

Rosa L. · Rose

David J.C.Austin

6 records

auslofty

Active

Rosa L. · Rose

David J.C.Austin

7 records

Poulaps

Active

Rosa L. · Rose

Poulsen Roser Aps (DK)

DK FR IT NL PL
5 records

Tanziewsim

Protection expired

Rosa L. · Rose

Rosen-Tantau Mathias Tantau Nachfolger

DE DK NL PL
5 records

Tanmurse

Active

Rosa L. · Rose

Rosen-Tantau Mathias Tantau Nachfolger

DE IT NL PL
5 records

Tansaras

Terminated

Rosa L. · Rose

Rosen-Tantau Mathias Tantau Nachfolger

BE DE NL PL
5 records

Ruhkor

Active

Rosa L. · Rose

WILHELM KORDES, T-H., M.

DK ES FR NL
5 records

Meibeluxen

Protection expired

Rosa L. · Rose

SNC Meilland et Cie

DE ES FR NL
5 records

Rosa L. · Rose

W.KORDES' SOEHNE ROSENSCHULEN GMBH & CO KG

DE HU NL PL
5 records

Korhassi

Protection expired

Rosa L. · Rose

W.KORDES' SOEHNE ROSENSCHULEN GMBH & CO KG

DE DK NL PL
5 records

Korresia

Protection expired

Rosa L. · Rose

KORDES' SOEHNE| W. Kordes' Soehne Rosenschulen GmbH & Co KG

DE DK NL SE
5 records

Korp

Protection expired

Rosa L. · Rose

W. Kordes Sohne Rosenschulen GmbH & Co KG| DE

DE FR NL SE
5 records

Tanragus

Terminated

Rosa L. · Rose

Hans Jurgen Evers

DE FI NL
5 records

Ruicharm

Protection expired

Rosa L. · Rose

POUW| A.A. Pouw

DE DK NL
5 records

Poulviol

Terminated

Rosa L. · Rose

Poulsen Roser Aps (DK)

DK FR NL
5 records

Poulox

Terminated

Rosa L. · Rose

POULSEN ROSER A/S

DE DK FR
5 records

Korzaun

Protection expired

Rosa L. · Rose

W. KORDES'SOHNE ROSENSCHULEN GMBH & CO KG

DE DK IE
5 records

Rosa L. · Rose

MEILLAND STAR ROSE

DE FR NL
6 records

Koranderer

Protection expired

Rosa L. · Rose

Wilhelm Kordes / Tim-Hermann Kordes / Margarita Kordes in Fa. W. Kordes' Söhne Rosenschulen GmbH & Co KG

DE NL PL
5 records

Lavjack

Protection expired

Rosa L. · Rose

LAVER| Keith Laver c/o Springwood Consultants, Inc.

DE DK FR
5 records

Korfeimot

Protection expired

Rosa L. · Rose

Wilhelm Kordes / Tim-Hermann Kordes / Margarita Kordes in Fa. W. Kordes' Söhne Rosenschulen GmbH & Co KG

DE NL PL
5 records

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