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Old 18-Mar-2005   #6
Jerry Meislik
bonsaiTALK Master
 
Join Date: Nov-2003
Location: Whitefish Montana
Country: United States
Posts: 465
The information already supplied above is correct. As best I know F. microcarpa is the real name with 'retusa' a variety of microcarpa.
As to the large roots and reverse taper, it is the genetics of this tree variety to form these turnip-like roots. If you layer it, I will predict that the new roots that form will eventually get "turnipy" again.
The best way to handle it is to raise the roots up and to use the roots as a trunk(s). Moss the base to help reduce the reverse taper look.
Hope this helps.
Jerry
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Jerry Meislik
Whitefish Montana USA
Zone 4-5
http://www.bonsaihunk.us/
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