gwj54's picture

Oak gall?

Observed: 23rd November 2009 By: gwj54
S159 Neighbourhood Nature - current student
gwj54’s reputation in Plantsgwj54’s reputation in Plants
P1010322 005

Very large swelling at base of oak


No identification made yet.

Species interactions

No interactions present.


Grike's picture

This is not a gall, which is

This is not a gall, which is normally made in soft tissue such as stem or leaves where an insect has laid an egg. This is a burl - a woody outgrowth from the trunk caused by some kind of damage.