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Jonathan Windham 
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Very healthy, but stingy with the blooms.
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Hi, Jonathan. Just wondering if your rose might have improved with the flowering (As a climber and a Kordes, I was thinking this might be a rose that requires a little time to put down roots.)
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Rose Listing Omission
Rosa sterilis
A naturally occurring hybrid between R. longicuspis and R. roxburghii. Hips are empty and sold as fresh fruits for their vitamin C content.
Parentage is: R. longicuspis x R. roxburghii
References:
Molecular evidence for hybridization origin of Rosa X sterilis ( Rosaceae)
https://www.researchgate.net/publication/296701262_Molecular_evidence_for_hybridization_origin_of_Rosa_X_sterilis_Rosaceae
Chromosomal-scale genomes of two Rosa species provide insights into genome evolution and ascorbate accumulation
https://onlinelibrary.wiley.com/doi/abs/10.1111/tpj.16543
https://www.facebook.com/photo/?fbid=123983474423970&set=a.123982904424027.25714.107207969434854
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#1 of 3 posted
3 APR by
jedmar
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Added, thank you! Have you seen any photos or description of the rose itself?
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Most photos I've seen have come from the Texas A&M Rose Breeding and Genetics Program's Facebook page (link in my original comment).
I can't share the URL here, but Figure 1 from the paper below* shows the flower, habit, leaflet count, and distribution:
Single, light pink, 9 leaflets, dark green foliage, yellow/orange hips...
Discovered in 1983, endemic to the Guizhou Province, China. Hips have higher flavonoid content than those of R. roxburghii.
*Paper citation: Liu J, Li C, Ding G, Quan W. Artificial Intelligence Assisted Ultrasonic Extraction of Total Flavonoids from Rosa sterilis. Molecules. 2021; 26(13):3835.
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#3 of 3 posted
3 APR by
jedmar
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Thank you, will move the photo to the listing.
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This just looks like a selection of Rosa carolina to me. I'm dubious of the claim that it is really a rugosa hybrid.
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Bierkreek sells this rose as a virginiana hybrid, so perhaps it is a hybrid between virginiana and rugosa.
More pictures are on their website.
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Or plausibly 2nd gen. Therese Bugnet.
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