Andrea B. Posted March 13, 2013 Share Posted March 13, 2013 Blum, A.G. (2013) Encelia farinosa A. Gray ex Torrey (Asteraceae) Brittlebush. Flowers photographed in ultraviolet, visible and infrared light.http://www.ultravioletphotography.com/content/index.php?/topic/133-encelia-farinosa-brittlebush/ Synonyms:InciensoWhite BrittlebushComment: The ubiquitous E. farinosa with its silvery green leaves and bright yellow flowers provides a pretty sight along the roads and highways in desert areas of California and Arizona. Its resins were used for glue and incense by Native Americans. It has a UV-dark central disc with brighter, veined rays. Reference:1. Epple, A.O. (1995) Brittlebush, page 270. A Field Guide to the Plants of Arizona. Falcon Guides, Globe Pequot Press, Guilford, CT.2. Jepson eFlora (2012) Encelia farinosa. Jepson Herbarium, U. of Cal.-Berkeley, Berkeley, CA. http://ucjeps.berkel...IJM.pl?tid=2557 SET 1Death Valley National Park, California, USA27 February 2012Wildflower Equipment [Nikon D300-broadband + Carl Zeiss 60mm f/4.0 UV-Planar] Visible Light [f/5.6 for 1/500" @ ISO 800 with Nikon D3S] Visible Light [f/9.5 for 1/350" @ ISO 800 with Nikon D3S] Visible Light [f/9.5 for 1/350" @ ISO 800 with Nikon D3S] Visible Light [f/11 for 1/4" @ ISO 100 in Sunlight with Baader UVIR-Block Filter] Ultraviolet Light [f/11 for 1/8" @ ISO 100 with SB-14 UV-modified Flash and Baader UV-Pass Filter] Infrared Light [f/11 for 1/5" @ ISO 100 in Sunlight with B+W092 IR-Pass Filter] Infrared Light [f/11 for 1/400" @ ISO 1000 in Sunlight with B+W092 IR-Pass Filter] SET 2Desert Botanical Garden, Phoenix, Arizona, USA22 April 2013Wildflower in botanical garden Equipment [Nikon D600-broadband + Nikon 105mm f/4.5 UV-Nikkor] Visible Light [f/5.6 for 1/2000” @ ISO 100 with Nikon Coolpix A]Not too many flowers left on this one, but it does show the characteristic silvery-green leaves. Visible Light [f/8 for 1/400 @ ISO 100 in Sunlight with Baader UVIR-Block Filter] Ultraviolet Light [f/8 for 1/60” @ ISO 800 with SB-14 UV-modified Flash and Baader UV-Pass Filter] Link to comment
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