Camissonia boothii [Booth's Evening Primrose]

[nfoto]

Rørslett, B. 2013. Camissonia boothii (Douglas)Raven (Onagraceae). Flowers photographed in visible and ultraviolet light.

 

Camissonia boothii (Douglas)Raven

Syn. Oenothera boothii Douglas

 

This is a small annual desert plant found the the SW deserts of the USA.

 

This specimen was photographed in Joshua Tree National Park, California USA 4 Mar 2012.

 

Image reference: CAMI_BOO_G120326661_VIS.jpg

Visible light: Nikon D3X, Voigtländer 125 mm f/2.5 APO-Lanthar lens, daylight, 5 frames stacked in Zerene Stacker.

 

Image reference: CAMI_BOO_I120344426_UV.jpg

Ultraviolet light: Nikon D40X, UV-Nikkor 105 mm f/4.5 lens, Baader U2@ (venus) filter, SB-140 flash.

 

The style and anthers are UV-dark in this species while the petals are moderately UV-reflective.

 

References:

http://www.ultravioletphotography.com/content/index.php?/topic/88-common-literature-references/

 

[Published 29 Jun 2013]