Help requested for identification

Hello to all!
On a trip to the countryside last May, I discovered a particularly dark-colored R. rugosa hybrid in an open area next to a woodshed. In the immediate vicinity I noticed ‘Kiese’ and two or three small shrubs of Modern Roses.

Even from the distance, I noticed the dark purple color of the flowers. On closer inspection, the extraordinarily coarse foliage was also striking. The flowers are single and have a wonderful smell. The plant was still flowering later in September.
In search of a fitting rose, I compared the flowers and the leaves with the Rugosa roses that you find here and there, they were all much lighter in color and the foliage was also not so rough rugosed.

I would have liked to know which R. rugosa hybrid it could be.

Before I browse Hmf and the Internet more extensively, do any of you have a guess? Many thanks for efforts and help!

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Just guesses - no checking - from a limited experience in rugosa - hybrids

1.The two de la Haies.

2.The German purple pavement "Rotes Meer? (sic?) that lost its purple in my garden long ago but grows well (2feet :-))]

  1. and the long shot and most “purple red” I grow “Caroyal” - once bloomer

Zone 3 - Canada. Erskine, 2007 - 1.25m / 4ft

From Cornhill Roses Site

""Parentage: Hansa × Lac La Nonne

Caroyal captivates with its large, semi-double blossoms in a vivid shade of violet-red, accented by bright yellow stamens. A testament to Canadian horticultural heritage, this rose was nearly lost to time but has been lovingly preserved.“”

The color is amazing, but what pleasantly surprises me is someone was hybridizing with “Heritage Roses” in western Canada in 2007 … the breeder of Prairie Peace, “Erskine”.

The hail did not get all my hips from crossing with Caroyal. Had hips of

hertonmii x caroyal

caroyal x hertonmii ( and reverse )

Plus couple others

Was trying to tame down size and prickles

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@RikuHelin, thank you so much for the prompt ideas and suggestions! At first view, there is indeed some similarity to all three varieties existing. But I’m afraid that I have to exclude the two de l’Hay cultivars as both have loosely filled flowers. Purple Pavement has slightly filled blooms and is lighter in color at an open stage. ‘Caroyal’ appears to be also slightly double and is once-flowering. I didn’t know this beautiful rose before, but primarily it doesn’t seem to be offered in Europe, which further limits the probability of selection.
I will pursue to continue the matter and thank you again for your support.

Hi Roseus,
I wonder if it could be Berry Bush Aurora or perhaps Purple Valeda ?

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Hi SeasideRooftop,
thank you very much for your time and effort! It’s great that you have tried to help me with my question too. I have compared the two suggested roses as far as the available pictures allow. Purple Valeda is semi-double, so probably not suitable. Berry-Bush™ Aurora ® comes very close. However, a rich rose hip decoration can be seen on some photos.The Pheno Geno Roses company states on its website that Berry-Bush™ Aurora ® produces an incredible amount of rose hips that can be used for jams and marmalades.
When I re-examined in September the shown Rugosa hybrid, I could not find any hips. However, the pollen is fertile. Unfortunately that would be an indication against it. I will continue my observations and perhaps the proper name will be found sooner or later. If I should find it, I will add it to the post just for information.

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I would rule out any Aurora variety as they’ve only been in commerce for a couple years, and this looks like a fairly mature specimen.

purple and sterile makes me think of one of Tantau’s Strandperle varieties (however still fairly recent introductions). I grow Strandperle Norderney and it is continuously flowering. However, my specimen shows its darker color also in all the flower parts that are usually green (sepals, receptacle) and stamens.
The other Strandperle seems to be slightly less dark and with green sepals. Note that, even though it is reported as fertile on Tantau’s catalogue, mine hasn’t set a single hip in three or four seasons. I wouldn’t be surprised if the other strandperle behaved similarly