Populus_Foliar-Nectaries.jpg by Jarmo Holopainen

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26-JAN-2011

Populus_Foliar-Nectaries.jpg

Foliar nectaries produce extra floral nectar (EFN) in young leaves of hybrid aspen (Populus tremula L. x Populus tremuloides Michx.).

Nikon D300 ,Nikkor 55mm f/3.5 Micro-Nikkor-P.C Auto
1/200s f/11 at 55.0mm iso250 full exif

other sizes: small medium large original auto

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ŠJarmo Holopainen

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