nfoto Posted May 21, 2013 Share Posted May 21, 2013 Rørslett, B. 2013. Saxifraga oppositifolia L. (Saxifragaceae). Purple Saxifrage. Flowers photographed in visible and ultraviolet light. http://www.ultraviol...rple-saxifrage/ Saxifraga oppositifolia L.NO: Rausildre; rødsildreSE: Purpurbräcka; ljungbräckaDK: Purpur-StenbrækFI: Sinirikko IS: VetrarblómDE: Roter Steinbrech EN: Purple Saxifrage A small creeping and mat-forming alpine species, S. oppositifolia is normally found in mountains and ascends to more than 2000m altitude i Norway. Towards the north it can descend to sea level. It has a circumboreal distribution Flowering can commence early in spring even before the mats are fully melted out of the snow pack, and continues all through the summer. The flowers are, as shown by the vernacular names, purple to reddish pink. One might wonder what pollinators possibly could be present in a habitat where ice and snow reign most of the year, but smaller pollinators do zoom to and fro from the pretty purple mats all the time. Plants collected and photographed at Kvam, Western Norway, 9 May 2005. Image reference: SAXI_OPP_I0505093028_VIS.jpgVisible light: Nikon D70, UV-Nikkor 105 mm f/4.5 lens, Baader UV/IR Cut filter, daylight. Image reference: SAXI_OPP_I0505093033_UV.jpgUltraviolet light: Nikon D70, UV-Nikkor 105 mm f/4.5 lens, Baader U (Venus) filter, SB-2140 flash. The corolla of S. oppositifolia is moderately UV-reflective, with UV-dark anthers and styles. [Published 21 May 2013] Link to comment
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