Iris pseudacorus [Yellow Flag]: Another Example

[Andrea B.]

Blum, A.G. (2013) Another Example of Iris pseudacorus L. (Iridaceae) Yellow Flag. Flowers photographed in ultraviolet and visible light. http://www.ultravioletphotography.com/content/index.php?/topic/601-iris-pseudacorus-yellow-flag-another-example/

 

Boyce Thompson Arboretum, Superior, Arizona, USA

23 April 2013

Wildflower in botanical garden

 

Synonyms:

• Yellow Iris
  

Comment:

Rørslett (2013) first showed Iris pseudacorus in ultraviolet⁽¹⁾. Here is another example, grown in tubs in a small koi pond, which also exhibits the blue and yellow UV false color pattern.

 

Reference:

1. Rørslett, B. 2013. Iris pseudacorus L. (Iridaceae). Yellow Iris. Flowers photographed in visible and ultraviolet light. http://www.ultraviol...us-yellow-iris/

 

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

 

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

 

Ultraviolet Light [f/16 for 1/60" @ ISO 400 with SB-14 UV-modified Flash and Baader UV-Pass Filter]

[nfoto]

They obviously show the identical UV signature as the Nordic populations I've done in UV.