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Awards AM 1938 (Earl of Stair, Stanraer); from Forrest 16463; flowers pale Primrose to nearly white, with a deep crimson blotch.
Almost certainly a hybrid of a species in Subsect. Fortunea. The type of this species was raised at Edinburgh from seed as Forrest 16463 (which is a species of Acer). The type sheet is annotated with the remark that it may have been a chance hybrid between R. wardii and R. vernicosum, a hybrid that does occur in the wild. Royal Horticultural Society (1997)