File:Yellow Day lily (Hemerocallis lilioasphodelus) spectral comparison Vis UV IR.jpg

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Yellow_Day_lily_(Hemerocallis_lilioasphodelus)_spectral_comparison_Vis_UV_IR.jpg ‎(700 × 350 pixels, file size: 37 KB, MIME type: image/jpeg)

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English: Comparison of a Yellow Day lily (Hemerocallis lilioasphodelus) flower in visible light (left), ultraviolet light (centre), and infrared light (right).

In ultraviolet light the flower's throat has clear dark markings, acting as a " Nectar guide to bees and other insects that can see UV light. The anthers also appear darker in UV.

In infrared light the anthers appear brighter than they do in visible light. The foliage behind the flower appears brighter as well.
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Author Dave Kennard
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(Reusing this file)		 Image licensed CC-BY-SA 3.0 Please credit image to David Kennard / www.davidkennardphotography.com

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Please credit image to David Kennard / www.davidkennardphotography.com

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current20:53, 11 June 2013Thumbnail for version as of 20:53, 11 June 2013700 × 350 (37 KB)Dave Kennard (talk | contribs)User created page with UploadWizard

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