Andrea B. Posted June 11, 2013 Share Posted June 11, 2013 Blum, A.G. (2013) Dicliptera resupinata (Vahl) Jussieu (Acanthaceae) Arizona Foldwing. Flowers photographed in visible and ultraviolet light. http://www.ultraviol...izona-foldwing/ Desert Botanical Garden, Phoenix, Arizona, USA 25 April 2013 Wildflower in botanical garden Comment: This plant is native to Mexico and the American Southwest. In UV it has a dark blotch at the throat, dark filaments and brighter anthers. The petals exhibit a medium UV tonality which becomes a false blue in our standardized colour scheme. Reference: 1. Spellenberg, R. (2012) Arizona Foldwing, page 74. Sonoran Desert Wildflowers. Falcon Guides, Globe Pequot Press, Guilford, CT. Equipment: [Nikon D600-broadband + Nikon 105mm f/4.5 UV-Nikkor] [Nikon Coolpix A] Visible Light [f/8 for 1/1600” @ ISO 200 with Coolpix A] Visible Light [f/8 for 1/1000” @ ISO 400 in Sunlight with Baader UVIR-Block Filter] Ultraviolet Light [f/8 for 1/100” @ ISO 800 with SB-14 UV-modified Flash and Baader UV-Pass Filter] Link to comment
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