DaveO Posted January 1, 2020 Share Posted January 1, 2020 Oldfield, D. 2020. Caesia calliantha R.J.F. Hend. (Hemerocallidaceae) Blue Grass-Lily. Flowers photographed in visible and ultraviolet light. Maldon, Victoria, Australia29 November 2019Australian Native Wildflower as Garden Specimen SynonymCaesia vittata R. Br. Comments:Caesia calliantha is a tufted perennial lily which occurs in a variety of habitats in South Australia, Victoria, Tasmania and New South Wales. The tubers were eaten fresh as indigenous food. Visible Light: Nikon D750 Full Spectrum Modification, Nikon Rayfact PF10545 MF-UV 105 mm f/4.5 lens, Metz 15 MS-1 flash, 1/200 s @ f/16 ISO 200, Baader UV/IR Cut Filter.Image Reference: DO66491 Ultraviolet Light: Nikon D750 Full Spectrum Modification, Nikon Rayfact PF10545 MF-UV 105 mm f/4.5 lens, Nissin Di866 Mark II flash, 1/200s @ f/16 ISO 200, Baader UV-Pass Filter.Image Reference: DO66493 Ultraviolet Induced Visible Fluorescence: Nikon D750 Full Spectrum Modification, Nikon Rayfact PF10545 MF-UV 105 mm f/4.5 lens with Baader UV/IR Cut Filter, Nichia NCSU033A UV-LED with Baader UV-Pass Filter, 10.0 s @ f/16 ISO 1600.Image Reference: DO66495 References: Henderson, R.J.F. in George, A.S. (ed.) (1987) Appendix: Caesia. Flora of Australia 45 Conran, J.G. (1994) Liliaceae. In Walsh, N.G.; Entwisle, T.G. (eds.), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne. Published 1 January 2020 Link to comment
Andy Perrin Posted January 1, 2020 Share Posted January 1, 2020 A very odd fluorescence result! Link to comment
DaveO Posted January 1, 2020 Author Share Posted January 1, 2020 I think it may be due to Chlorophyll https://en.wikipedia.org/wiki/Chlorophyll_fluorescenceit is an effect I have seen beforehttps://www.ultravioletphotography.com/content/index.php/topic/1715-pterostylis-curta-blunt-greenhood/ Link to comment
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