Maybe it's a faulty graft ... it sometimes happens and a bud from the rootstock sort of 'breaks through' .and is to all intents and purposes 'a sucker' although it looks as if it's above the graft point ... I expect there's a technical term for it ... @marlorena will know.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
..without further photos of the actual stem in question, one cannot be sure..
.. if the member is certain it's not a sucker, then it may be a sport, perhaps a throwback to an earlier rose in its ancestry.. this rose has several unnamed seedlings by Kidderminster breeder Len Scrivens in its lineage.. Len has produced some wonderful roses.. but who knows what he used..
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Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
.. if the member is certain it's not a sucker, then it may be a sport, perhaps a throwback to an earlier rose in its ancestry.. this rose has several unnamed seedlings by Kidderminster breeder Len Scrivens in its lineage.. Len has produced some wonderful roses.. but who knows what he used..