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A hybrid between R. odoratus and R. idaeus, raised by C. de Vos, at Hazerswoude, near Boskoop, in Holland, about 1855. It is intermediate between the parents, having erect, sturdy stems peeling like those of R. odoratus, but less glandular-hairy and not so tall. Leaves trifoliolate, large, hairy on both surfaces. Flowers purplish red, produced in terminal corymbs in June and July. A handsome, vigorous shrub of about the same value for ornament as R. odoratus – the mother plant. The leaves resemble R. idaeus in being trifoliolate, but the flowers owe their colour and size largely to R. odoratus.