Andrea B. Posted June 10, 2013 Share Posted June 10, 2013 Blum, A.G. (2013) Encelia californica Nuttall (Asteraceae) California Brittlebush. Flowers photographed in visible and ultraviolet light. http://www.ultraviol...ia-brittlebush/ Desert Botanical Garden, Phoenix, Arizona, USA25 April 2013Wildflower in botanical garden Synonyms:California SunflowerCalifornia Bush SunflowerCoast SunflowerComment:In ultraviolet, E. californica has a UV dark disc and veined rays. This shrub is native to California and grows mostly along its southern coast. Reference:1. Jepson eFlora (2013) E. californica. Jepson Herbarium, U. of Cal.-Berkeley, Berkeley, CA. http://ucjeps.berkel...IJM.pl?tid=2556 Equipment: [Nikon D600-broadband + Nikon 105mm f/4.5 UV-Nikkor] Visible Light [f/3.2 for 1/400” @ ISO 200 with Nikon Coolpix A] Visible Light [f/11 for 1/200” @ ISO 400 in Sunlight with Baader UVIR-Block Filter] Ultraviolet Light [f/11 for 1/60” @ ISO 400 with SB-14 UV-modified Flash and Baader UV-Pass Filter] Link to comment
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