This tropical Dwarf black olive (Bucida spinosa, not a true Olive or Olea) with its melted wax feel and gaping trunk is a unique tree that only Mother Nature and Mary Madison's skilled hands could create. It's from the 2008, 1st U.S. National Bonsai Exhibition album (out of print, but we still have 4 & 5).
TOOL SPECIAL ENDS TOMORROW NIGHT
see below
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If the pot was better suited to the tree (or a least cleaned up) and the background was better, the rugged power and reach of this tree would easier to appreciate. Still, if you're looking for unique bonsai, this wouldn't be a bad place to start. Like the tree above it's a Bucida spinosa. I found it at Komunitas Seniman Bonsai Indonesia
The other side, close up. Root over rock. Or maybe rock swallowed by the exposed root trunk would be more descriptive.