I also wonder this. I saw this hybrid listed at Esveld, where they are usually quite careful about the hybridization claims at least if they bred it.
I don't have permission to view the other pics. Dr Piet C de Jong? That lends a different perspective to the discussion. In his article on hybrids in winter 2011 edition of Maple Society newsletter Dr de Jong mentions that the cross of Acer pseudosieboldianum and Acer japonicum 'Aconitifolium' is the most promising of the section Palmata crosses he is working with. Given the dissected leaves this is probably that same line, it is not hard to spot 'Aconitifolium' characteristics. It is common practice with hybrids to state the female parent first and male parent second, indicating that Dr de Jong's cross has A. pseudosieboldianum as the female parent and 'Aconitifolium' as the male parent. Assuming the seed parent is A. pseudosieboldianum I can see how one could be reasonably sure the pollen parent is 'Aconitifolium'. If this is the same plant that Esveld are selling then they have reversed the order of the parent names.
this lovely maple have for the second season amazing fall colors ! he is slow groving in my Aceretum La Cianfronara only 10 cm /year .leaves easy burning in summer in expo full sun :(
Alex, I viewed more pics on your blog. Very beautiful tree and trees you have. I will be looking for that one here in the states.
Any updates on this maple? Do we know if the cold tolerance is better with pseudosieboldianum parentage?
not more but now in the USA and Europe are avalaible some cultivars of pseudosebioldiaum like Artic jade cold resistance-
