Rosa can be deciduous or semi-evergreen shrubs or scrambling climbers, with usually thorny stems bearing pinnate leaves and solitary or clustered, 5-petalled flowers followed by showy red or purple fruits
Gallica roses are compact, prickly shrubs with dull green foliage and generally fragrant, single to double flowers in small clusters in mid-summer
'Duc de Guiche' is a small shrub to 1.2m, of open, arching habit, with plentiful foliage and very fragrant double, quartered purplish-crimson flowers 8cm in width