than above-ground burls
because they form within a
controlled atmosphere of
soil and water. Usually a
large round ball will form at
the trunk base, and the
roots grow out of the burl.
Root burls form on cherry
and white birch and gray
birch in the East and are
extremely common in
California on redwoods
and manzanita.
Redwood root burls may grow
to be twelve feet in diameter, nearly too big to
handle. Most of the redwood burl tables made in
California are constructed of root burls with
extraordinary grain and pattern."
On the East Coast, maple and cherry
commonly exhibit