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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.

Meicrado

Terminated

Rosa L. · Rose

ALAIN ANTOINE MEILLAND (FR)

FR
2 records

Lenblank

Protection expired

Rosa L. · Rose

Lens, L.

NL
2 records

Kortensei

Protection expired

Rosa L. · Rose

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

DE
2 records

Kortwente

Terminated

Rosa L. · Rose

Wilhelm Kordes,Tim-Hermann Kordes,Margarita Kordes

DE
2 records

Kormeita

Protection expired

Rosa L. · Rose

Werner Kordes / Reimer Kordes / Wilhelm Kordes

DE
2 records

Kiya

Active

Rosa L. · Rose

Jarrel van Dam

NL
2 records

Korquemu

Protection expired

Rosa L. · Rose

W.KORDES'SOHNE

DE
2 records

Koroyness

Terminated

Rosa L. · Rose

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

DE
2 records

Koramba

Terminated

Rosa L. · Rose

Wilhelm Kordes

NL
2 records

KORcut0389

Active

Rosa L. · Rose

WILHELM-ALEXANDER KORDES

UA
3 records

Helklewei

Terminated

Rosa L. · Rose

Karl Hetzel

DE
2 records

GLANLIN

Protection expired

Rosa L. · Rose

MR G.W.T. LANGDALE

FR
2 records

Fazbrille

Terminated

Rosa L. · Rose

Rosaplants SCEA (FR)

FR
2 records

DORVAND

Active

Rosa L. · Rose

Pepinieres & Roseraies Dorieux GAEC (FR)

FR
2 records

DORFURI

Active

Rosa L. · Rose

Pepinieres & Roseraies Dorieux GAEC (FR)

FR
2 records

DICMAGIC

Protection expired

Rosa L. · Rose

C. DICKSON

IE
2 records

DELROSPIV

Terminated

Rosa L. · Rose

Pepinieres et Roseraies Georges Delbard| FR

FR
2 records

DELPARFROU

Active

Rosa L. · Rose

Yuval PELES (IL)

FR
2 records

DELATUR

Protection expired

Rosa L. · Rose

Pepinieres et Roseraies Georges Delbard| FR

FR
2 records

DELATHOM

Active

Rosa L. · Rose

Societe Nouvelle des Pepinieres & Roseraies Georges DELBARD (FR)

FR
2 records

DICLADIDA

Protection expired

Rosa L. · Rose

C. DICKSON

IE
2 records

DORFELI

Active

Rosa L. · Rose

Pepinieres & Roseraies Dorieux GAEC (FR)

FR
2 records

DORMYST

Active

Rosa L. · Rose

Pepinieres & Roseraies Dorieux GAEC (FR)

FR
2 records

DELSTRISANG

Active

Rosa L. · Rose

Pepinieres et Roseraies Georges Delbard| FR

FR
2 records

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