Nico Posted May 21, 2013 Share Posted May 21, 2013 Chalwatzis, N. 2013: Ornithogalum umbellatum L. (Hyacinthaceae). Star-of-Bethlehem. Flowers photographed in visible and ultraviolet light, and simulated bee-colours. Ornithogalum umbellatum L.Syn. Ornithogalum garganicum Ten.DE: Doldenmilchstern, Stern von BethlehemEN: Star-of-Bethlehem, Grass Lily This genus is sometimes placed in the Liliaceae.May, 18th, 2013, near Bensheim Germany in a wine-yard (wildflower). O. umbellatum shows a UV signature with a very strong reflexion across the petals.Images taken with a broadband modified Panasonic Lumix G1 and the EL-Nikkor 80mm/f5.6 at f8. Visible light image with IR Neutralisation-filter NG, 1/640s, ISO 100Image reference: NCH_P1080437130518 UV image taken with the Baader U-Filter 2”, 1/3s, ISO 400 (sunlight)Image reference: NCH_P1080443130518 Composite image (simulated bee colours), black and white conversion of the UV-image combined with the blue and green channel of the visible image.Image reference: NCH_P1080458_RGB_UV_bw130520 [Published 21 May 2013] Link to comment
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