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UltravioletPhotography

Claytonia lanceolata [Western Spring Beauty]


Andrea B.

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Blum, A.G. (2013) Claytonia lanceolata Pallas ex Pursh (Portulacaceae) Western Sping Beauty. Flowers photographed in visible and ultraviolet light. http://www.ultraviol...-spring-beauty/

 

Twin Pines, La Plata County, Colorado, USA

28 April 2013

Wildflower

 

Synonyms:

  • Lanceleaf Spring Beauty

Comment:

The Colorado variety of C. lanceolata is C. lanceolata var lanceolata(1).

Some plants bloom immediately after producing their first two leaves and then die back. Others produce more leaves. There is also some variation in the amount of pink on the petals.

At first glance the perianth appears radial, but the UV photos easily reveal its zygomorphic nature. The two lower petals are UV-dark while the upper three petals show some UV-reflective areas.

 

Reference:

1. Weber & Wittmann (2012) Claytonia L., page 304. Colorado Flora: Western Slope, 4th Ed. The U. of Colo. Press, Boulder, CO.

 

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

 

Visible Light [f/11 for 1/1000” @ ISO 400 in Sunlight with Baader UVIR-Block Filter]

This plant began to bloom immediately after producing its first two leaves.

claytoniaLanceolataVisSun_042813durangoCO_10076PnRes.jpg

 

Ultraviolet Light [f/11 for 1/100” @ ISO 400 with SB-14 UV-modified Flash and Baader UV-Pass Filter]

claytoniaLanceolataUVBaadSB14_042813durangoCO_10085origPNres.jpg

 

Visible Light [f/11 for 1/800” @ ISO 400 in Sunlight with Baader UVIR-Block Filter]

This C. lanceolata has multiple leaves.

claytoniaLanceolataVisSun_042813durangoCO_10092PnRes.jpg

 

Ultraviolet Light [f/11 for 1/80” @ ISO 400 with SB-14 UV-modified Flash and Baader UV-Pass Filter]

claytoniaLanceolataUVBaadSB14_042813durangoCO_10100PnCropRes.jpg

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