My Phormium (flax) plant has formed an unusual gathered ribbon effect on part of one blade. I think it may have been formed by an insect folding the stem in half to make a nesting place within the layers.
Featured in Extreme Close-ups Group 2nd June 2013
Third place in Top 10 ‘Textures in Spring’ June 3rd 2013
Canon EOS 450D, canon 28-105 lens, F/19, 1/60 sec
Hand held, taken in natural light.