Andrea B. Posted May 16, 2013 Share Posted May 16, 2013 Blum, A.G. (2013) Psilostrophe tagetina (Nuttall) Greene (Asteraceae) Woolly Paperflower. Flowers photographed in ultraviolet and visible light. http://www.ultraviol...ly-paperflower/ Desert Botanical Garden, Phoenix, Arizona, USA N33°27'42.7" W111°56'45.0" 22 April 2013 Wildflower in botanical garden Synonyms: Psilostrophe cerifera var. biennis Psilostrophe tagetinae Comment: Usually seen with 3 notched rays, but can have up to 5. Grows at generally higher altitudes than its cousin P. cooperi, although there is some overlap. Like other Psilostrophe, the rays become dry and papery with age. Reference: Epple, A.O. (1995) Paperflower, page 287. A Field Guide to the Plants of Arizona. Falcon Guides, Globe Pequot Press, Guilford, CT. Equipment: [Nikon D600-broadband + Nikon 105mm f/4.5 UV-Nikkor] [Nikon Coolpix A] Visible Light [f/6.3 for 1/1250" @ ISO 100 with Coolpix A] 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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