Wikipedia defines inosculation as “a natural phenomenon in which trunks, branches or roots of two trees grow together. It is biologically very similar to grafting.”


Here are two Giant Sequoias that have grown together and are fused from the base up to about 5 feet.


The other side.


Here are 3 Sequoias that have fused. The two on the left fused at the base and the two on the right fused about 15 feet up.


The other side.

oak inosculation 1

Inosculation is very common. Here are 2 Oak trees that have grown together.

oak inosculation 2

The other side.

JM fusion 3

You can even find inosculation in bonsai, although I doubt that this was natural. Here is a Japanese Maple forest bonsai I found at the National Bonsai and Penjing Museum. The middle 3 trees are fused.

JM fusion 1

A close up from the the front.

JM fusion2

A close up side view. You can see all 3 trees fused here to about 6 inches from the base.

Have fun!

2 Responses to “Inosculation”

  1. Lorraine Liljenquist Says:

    We have on our property two young maple trees, 3″ to 4″ diameter, whose bases are approximately two feet apart. At about 12′ up they become one tree. Is this a common inosculation?

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