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UltravioletPhotography

Lysimachia nemorum [Yellow Pimpernel]


Jim Lloyd

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Lloyd, J. J. (2018) Lysimachia nemorum L. (Primulaceae) Yellow Pimpernel. Flower photographed in visible and ultraviolet light. http://www.ultravioletphotography.com/content/index.php/topic/2774-lysimachia-nemorum-yellow-pimpernell/

 

Collected from woodland, near Hexham, Northumberland, United Kingdom

24 May 2018

Wildflower

 

Synonyms:

  • Anagallis nemorum (L.) Büscher & G.H.Loos
  • Ephemerum nemorum (L.) Rchb.
  • Lerouxia nemorum (L.) Mérat
  • Lysimachia azorica Hook.
  • Lysimachusa nemorum (L.) Pohl

Comment: Very bright, small (1 cm across) yellow star-like flowers with 5 (sometimes 4 petals). Prefers slightly shaded damp site. Similar to the more common scarlet pimpernel (Anagallis arvensis), although that is in a different genus. "Classic" UV appearance of false yellow reflective petals with central UV dark area. This example found in shady woodland shining out against the drab floor.

 

Reference:

1. Wildflowerfinder.org.uk (24 May 2018) http://wildflowerfin...impernel(Yellow)/Pimpernel(Yellow).htm

 

UV image in situ: D3200 converted, BG40 2mm, UG1 2mm, EL Nikkor 80 mm f/5.6 at f/5.6 ISO 64001/30 sec, Outdoors, dappled sunlight (handheld)

 

post-175-0-09336700-1527192001.jpg

 

 

UV Image: D3200 converted, UG1 2mm + BG40 2mm,Photax 35 mm f/3.5 at f/16 ISO 400 10 sec, Indoors, full sunlight

 

post-175-0-00528500-1527192054.jpg

 

post-175-0-52309200-1527192076.jpg

 

 

Visible Image:D3200 converted, BG40 2mm, Photax 35 mm f/3.5 at f/16 ISO 100 1/10 sec, Indoors, full sunlight

 

post-175-0-96306800-1527192100.jpg

 

post-175-0-96306800-1527192100.jpg

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Interestingly this species has a UV appearance distinctly different from Lysimachia nummularia that otherwise is quite similar though significantly larger.
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