“Rosa Middlesex County – Bosanne (F)”
registered with the R.H.S. in 2000 by Bill Bosom of Capel Manor Enfield, Middlesex.
From the RHS site:
Rosa can be deciduous or semi-evergreen shrubs or scrambling climbers, with usually thorny stems bearing compound pinnate leaves and solitary or clustered flowers. Flowers may be followed by showy red or purple fruits in some varieties.