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UltravioletPhotography

Nemophila maculata [Fivespot]


Andrea B.

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Blum, A.G. (2013) Nemophila maculata Bentham ex Lindley (Boraginaceae) Fivespot. Flowers photographed in visible and ultraviolet light. http://www.ultraviol...ulata-fivespot/

 

Boyce Thompson Arboretum, Superior, Arizona, USA

25 April 2013

Wildflower in botanical garden

 

Pollinator: Solitary bees.

 

Comment:

In ultraviolet light the Fivespot undergoes a wonderful reversal where the Visible dark spots become UV-bright while the Visible white portion of the petals flips to UV-dark. Additionally in UV, there is a great deal of iridescence on the petals which may produce a flashing signal when the breezes flutter the petals.

N. maculata is a California native.

 

Reference:

1. Jepson eFlora (2013) Nemophila maculata. Jepson Herbarium, U. of Cal.-Berkeley, Berkeley, CA. http://ucjeps.berkel...JM.pl?tid=34541

 

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

 

Visible Light [f/11 for 1/500" @ ISO 400 in Sunlight with Baader UVIR-Block Filter]

nemophilaMaculataVisSun_042413boyceThomArbSupAZ_9006origProofPnCrop.jpg

 

Visible Light [crop from preceding foto]

nemophilaMaculataVisSun_042413boyceThomArbSupAZ_9006origProofPnCrop2.jpg

 

Ultraviolet Light [f/11 for 1/160” @ ISO 400 with SB-14 UV-modified Flash and Baader UV-Pass Filter]

nemophilaMaculataUVBaadSB14_042413boyceThomArbSupAZ_9026origProofPnCrop.jpg

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