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UltravioletPhotography

Malacothrix glabrata [Desert Dandelion]


Andrea B.

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[updated: 28 Oct 2016 Set 2 added.]

Blum, A.G. (2016) Malacothrix glabrata (A.Gray exD.C.Eaton)A.Gray (Asteraceae) Desert Dandelion. Flowers photographed in ultraviolet and visible light. http://www.ultraviol...sert-dandelion/

 

Synonyms:

  • Malacothrix californica DC. var. glabrata A. Gray ex D.C. Eaton
  • Smooth Desert Dandelion

Comment:

The Desert Dandelion is UV-black with each ray tip being UV-bright. This is particularly evident on the unopened cluster of ray florets which appears red in visible light.

 

Reference:

1. W.S. Davis (2016) Malacothrix glabrata, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkel...IJM.pl?tid=4070, accessed on September 06, 2016.

 

 

SET 1

Joshua Tree National Park, California, USA

03 March 2012

Wildflower

 

Equipment [Nikon D300-broadband + Carl Zeiss 60mm f/4.0 UV-Planar]

 

Visible Light [f/11 for 1/400" @ ISO 200 in Sunlight with Baader UVIR-Block Filter]

malacothrixGlabrataVisSun030412joshuaTreeNpCA_22861origProofPn.jpg

 

Visible Light [f/8 for 1/3000" @ ISO 200 with Nikon D3S + Nikon 60mm f/2.8G Micro-Nikkor]

malacothrixGlabrataVisSun030412joshuaTreeNpCA_34996proofProofPn.jpg

 

Visible Light [f/8 for 1/3000" @ ISO 200 with Nikon D3S + Nikon 60mm f/2.8G Micro-Nikkor]

malacothrixGlabrataLeafVisSun030412joshuaTreeNpCA_34998origProofPn.jpg

 

Ultraviolet Light [f/11 for 1/4.3" @ ISO 200 with SB-14 UV-modified Flash and Baader UV-Pass Filter]

malacothrixGlabrataUVBaadSun030412joshuaTreeNpCA_22865proof.jpg

 

 

SET 2

Twentynine Palms, California, USA

23 February 2016

Wildflower growing in cracked pavement near gas station.

 

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

Unless stated otherwise.

 

Visible Light [f/8 for 1/400" @ ISO-100 EV-0.3 with Nikon D750 + Nikon 24-70/2.8G AFS in Sunlight]

malacothrixGlabrata_visSun_20160223_29PalmsCA_42675pn.jpg

 

Visible Light [f/11 for 1/400" @ ISO-200 in Sunlight with Baader UVIR-Block Filter]

malacothrixGlabrata_visSun_20160223_29PalmsCA_44709pn.jpg

 

Ultraviolet Light [f/11 for 1/30" @ ISO-400 in Sunlight with BaaderU UV-Pass Filter]

malacothrixGlabrata_uvBaadSun_20160223_29PalmsCA_44724pn2.jpg

 

Visible Light [f/11 for 1/320" @ ISO-200 in Sunlight with Baader UVIR-Block Filter]

malacothrixGlabrataAbaxial_visSun_20160223_29PalmsCA_44737pn.jpg

 

Ultraviolet Light [f/11 for 1" @ ISO-200 in Sunlight with BaaderU UV-Pass Filter]

malacothrixGlabrataAbaxial_uvBaadSun_20160223_29PalmsCA_44745pn3.jpg

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