Alex, Do you know how to propagate Acer calcaratum. Last weekend I was given some material to try grafting and cuttings. The grafts onto Acer palmatum already don't look too well, the cuttings too early to tell. The plant which is now 5m or so has never had seed and past attempts to propagate have failed. I'll attach a picture of a branch for interest. It is evergreen where it is in a climate that rarely gets frosts.
hi Simon,thank you for the pics and news,the informations about graft that i read in the book : Maple of the World are similar to your observation ,isn't good idea acer palmatum rootsotck,is possible by seeds..the series of calcaratum is sinensia, like campbelli and oliverianum maybe this taxa are good?!
I have large trees of Acer calcaratum now on Acer palmatum ssp. palmatum. It appears to be quite vigorous on Acer palmatum and shows no signs of incompatibility.
