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
'Belle de Crécy' is a small, bushy shrub with almost thornless stems bearing copious dull green foliage and fragrant, fully double flowers opening bright deep cerise, becoming mauve with age