The Carnivorous Plant FAQ Field Trip Report -

Southern Portugal in 2011

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Cork oak:
The Clathrus ruber fungus grew on a steep, slick slope under these trees. For those unfamiliar with this tree, you might find them interesting.

Cork oak (Quercus suber) is a tree that grows a thick bark layer that can be stripped off in a giant strip, all the way around the tree's circumference. Doing so does not girdle the tree--the plant responds simply by growing a new bark layer. And this, of course is exactly what cork is.

Most of the cork oak trees in Portugal have signs of cork-harvesting. It was novel to see these trees, even as young as they are, without signs of prior bark stripping.

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Revised: June 2011
©Barry Rice, 2005