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UltravioletPhotography

Felicia amelloides [Blue Daisy]


Steven

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Bouedec, S. (2017) Felicia amelloides (L.) Voss (Asteraceae) Blue Daisy. Flowers photographed in visible, ultraviolet, infrared and UV+B+G light.

http://www.ultraviol...des-blue-daisy/

 

Jardin Exotique & Botanique de Roscoff, Roscoff, Finistère, Brittany, France

28 April 2017

Wildflower in botanical garden

 

Synonyms:

  • Felicia aethiopica
  • Aster amelloides
  • Aster capensis
  • Aster coelestis

Common Names:

  • Blue Marguerite

Comment:

Felicia amelloides, commonly called Blue Daisy or Blue Marguerite, is native to South Africa. It is a bushy, aster-like, woody-based subshrub that typically grows to 2’ tall. It is primarily grown for its long and showy bloom of daisy-like flowers (to 1.5” diameter) featuring sky blue rays and yellow centers.

 

Reference:

1. South African National Biodiversity Institute (April 2017) Felicia amelloides. http://pza.sanbi.org...icia-amelloides

2. Wikipedia (April 2017) Felicia amelloides. Wikimedia Foundation, San Francisco, CA. https://en.wikipedia...icia_amelloides

 

 

Equipment [Nikon D3200-broadband + EL Nikkor 80mm f/5.6]

 

Visible Light [f/11 for 1/25" @ ISO-400 with S8612(2.5mm) filter in sunlight]

post-140-0-10517500-1493664668.jpg

 

Ultraviolet Light [f/11 for 25" @ ISO-400 with Baader UV-Pass Filter in sunlight]

post-140-0-56388100-1493664681.jpg

 

Infrared Light [f/11 for 1/30" @ ISO-400 with Hoya R72 filter in sunlight]

post-140-0-63654700-1493664700.jpg

 

UV+Blue+Green [f/11 for 1.6" @ ISO-400 with S8612(2.5mm) + U-330(1.5mm) filters in sunlight]

post-140-0-30710100-1493664716.jpg

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The UV shows the same kind of radial variegation seen on ray petals of many other Compositae. But it is less apparent in the visible than it is for Rudbeckia, for example.
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I have captured this species in UV in Greece and South Africa, and my UV results are virtually identical to what is presented here.

 

Ray "petals" of the Asteraceae are known as ligules, by the way.

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