Andrea B. Posted May 26, 2013 Share Posted May 26, 2013 Blum, A.G. (2013) Opuntia aciculata Griffiths (Cactaceae) Chenille Pricklypear. Flowers photographed in ultraviolet and visible light. http://www.ultraviol...le-pricklypear/ Boyce Thompson Arboretum, Superior, Arizona, USA23 April 2013Wildflower in botanical garden Synonyms:Cowboy's Red WhiskersOpuntia engelmannii var. aciculata Salm-Dyck (Griffiths) WenigerOpuntia lindheimeri var. aciculata Engelm. (Griffiths) BravoOpuntia engelmannii ssp. aciculata (Griffiths) U.Guzmán, comb. et stat. nov.Opuntia tardospina GriffithsComment: Reference:1. Flora of North America Online (2013) Opuntia aciculata, vol. 4. FNA. New York & Oxford. http://www.efloras.o...on_id=242415193 Equipment [Nikon D600-broadband + Nikon 105mm f/4.5 UV-Nikkor] Visible Light [f/22 for 1/125" @ ISO 100 with onboard Flash and Baader UVIR-Block Filter]Click on the photo for a larger view. Ultraviolet Light [f/11 for 1/80" @ ISO 400 with SB-14 UV-modified Flash and Baader UV-Pass Filter] Link to comment
msubees Posted July 19, 2014 Share Posted July 19, 2014 I have a yellow flowered pricklybear (likely to be O. ficus-indica) which show the same UV pattern as this one. Link to comment
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