nfoto Posted January 16, 2013 Share Posted January 16, 2013 Rørslett, B, 2013. Brachyglottis greyi (Hook.f.)B.Nord. (Asteraceae). Daisy Bush. Flowers photographed in visible and ultraviolet light. http://www.ultraviol...eyi-daisy-bush/ Brachyglottis greyi (Hook. f.) B.Nord.Syn. Senecio greyi Hook. f.EN: Daisy Bush A shrub native to New Zealand, now occasionally found as an ornament garden plant. Some of the material may be of hybrid origin ('Dunedin' hybrid complex with B. greyi, B. laxifolia, B. compacta). It was originally described as a member of the huge genus Senecio. Cultivated specimen photographed in Yorkshire, UK, 24 Jun 2012. Image reference: BRAC_GRE_G1206248900_VIS.jpg Visible light. Nikon D3S, UV-Nikkor 105 m mf/4.5 lens, SB-800 flash. Image reference: BRAC_GRE_I1206240719_UV.jpg Ultraviolet light. Panasonic GH-2, Coastal Optics 60 mm f/4 APO lens, Baader U 2" (Venus) filter, daylight. B. greyi flower heads show highly reflective ray florets, UV dark pollen, and UV-dark disc flowers. The UV marks do not extend onto the rays. Weather prior to the capture had been variable wet and some necrotic tissue shows up as small darker stains scattered over the rays. [Published: 16 Jan 2013] Link to comment
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