These are drawn from several rose groups and are budded onto the top of a rootstock to hold the flowers 1m or more above the ground.There are weeping kinds available with budded rambling roses. All need staking for support.
Source: (2002). Rosaceae. In: . Horticultural Flora of South-eastern Australia. Volume 3. Flowering plants. Dicotyledons. Part 2. The identification of garden and cultivated plants. University of New South Wales Press.