Posted: 12/05/2013 at 09:36
Named Acer palmatum such as Beni.... ,are always grafted on to the rootstock of Acer palmatum.
Sometimes the plain rootstock will grow... this is called reversion.
This pic shows a red leafed Acer with plain green leaves which are growing from below the graft.
Plain green leaves are stronger and faster growing than variegated, very dissected leaves. They twigs of plain leaves must always be removed.
University of British Columbia in Canada has a wonderful very active forum.
It including a specialist maple section..With masses of pic, help and advise from real experts all over the world. Including folk from UK!