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UltravioletPhotography

Helianthus salicifolius 'First Light' [Willowleaf Sunflower]


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Blum, A.G. (2013) Helianthus salicifolius A. Dietrich 'First Light' (Asteraceae) Willowleaf Sunflower. Flowers photographed in ultraviolet and visible light. https://www.ultraviol...leaf-sunflower/

 

Middletown, New Jersey, USA

15 October 2013

Cultivar in home garden

 

Synonyms:

  • Helianthus filiformis Small

Comment:

This plant's narrow, drooping leaves give it the common willowleaf designation. H. salicifolius has a classic UV-bullseye signature with light striping on the upper and lower petals.

 

Reference:

1. Missouri Botanical Garden (2013) Helianthus filiformis 'FIrst Light' https://www.missourib...kempercode=x980

 

Equipment [Nikon D600-broadband + Nikon 105mm f/4.5 UV-Nikkor]

 

Visible Light [f/11 for 1/60" @ ISO100 in Sunlight with Baader UVIR-Block Filter]

helianthusSalicifolius\'FirstLight\'VisSun_101513wf_16301PNres.jpg

 

Ultraviolet Light [f/11 for 2" @ ISO400 in Sunlight with Baader UV-Pass Filter]

helianthusSalicifolius\'FirstLight\'UVBaadSB14_101513wf_16311PNRes.jpg

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