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Jarmo Holopainen | all galleries >> Galleries >> Educational Material > Populus-tremula_EFN2.jpg
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22-MAY-2011

Populus-tremula_EFN2.jpg

Foliar nectaries produce extra floral nectar (EFN) on young leaves of European aspen (Populus tremula L.).

Canon EOS 7D
1/250s f/14.0 at 65.0mm iso100 full exif

other sizes: small medium large original auto
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