z xy x Z.x y z

Pollia condensata (via http://www.nature.com/news/cell-structure-gives-african-fruit-its-iridescent-hue–1.11379)

2012-09-12 pollia condensata, plant, fruit, optics

Pollia condensata (via http://www.nature.com/news/cell-structure-gives-african-fruit-its-iridescent-hue-1.11379)

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