Jul 13 - Zucchini flower II

Jul 13 - Zucchini flower II

A detail. Not sure, but they only seems to be open when the sun is not shining.
Camera: Canon EOS 7D (Canon)
Focal Length: 60 mm
Exposure: 1/60 sec
Aperture: f/7.1
ISO: 200
Captured: 2016-07-13 11:54:50