Symphyotrichum novi-belgii 'Peter III Blue' [New York Aster]

[Andrea B.]

Blum, A.G. (2013) Symphyotrichum novi-belgii (L.) G.L. Nesom 'Peter III Blue' (Asteraceae) New York Aster. Flowers photographed in ultraviolet and visible light. http://www.ultraviol...new-york-aster/

 

MIddletown, New Jersey, USA

24 September 2013

Cultivar in home garden

 

Synonyms:

• Michaelmas Daisy
  
• Aster novi-belgii 'Peter III Blue'
  

Comment:

New York Asters, native to North America, are now widely cultivated commercially for their autumn blooms. This lavender-blue cultivar is UV-absorbing with a UV-black disc.

 

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

 

Visible Light [f/11 for 1/200" @ ISO 100 in Sunlight with Baader UVIR-Block Filter]

 

Ultraviolet Light [f/8 for 1" @ ISO 400 in Sunlight with Baader UV-Pass Filter]