Andrea B. Posted July 8, 2017 Share Posted July 8, 2017 Blum, A. G. (2017) Epilobium ciliatum Raf. (Onagraceae) Fringed Willow-herb. Flowers photographed in ultraviolet and visible light. http://www.ultraviol...ed-willow-herb/ Southwest Harbor, Maine, USA18 July 2014Wildflower Synonyms:Epilobium adenocaulon Hausskn.Epilobium adenocaulon Hausskn. var. ecomosum (Fassett) MunzEpilobium americanum Hausskn.Epilobium ciliatum var. ecomosum (Fassett) BoivinEpilobium glandulosum var. adenocaulon (Hausskn.) Fern.Epilobium glandulosum Lehm. var. ecomosum FassettOther Common Names:American Willow-herbGlandular Willow-herbNorthern Willow-herbSeaside BasilComment:A key point of differentiation between E. ciliatum and the similar E. coloratum is that E. ciliatum seeds have a whitish tuft of hair. This was observed on the specimen plant.In UV the reproductive parts are UV dark. The corolla shows a subtle UV-light/dark striping perhaps due to some iridiscence. The pollen is UV-bright. Reference:1. New England Wild Flower Society (20147) Epilobium ciliatum Raf. Fringed Willow-herb. https://gobotany.new...obium/ciliatum/2. Haines, A. (2011) Flora Novae Angliae. Epilobium key, page 682. Epilobium ciliatum, page 683. Yale University Press, New Haven, CT. Equipment [Nikon D600-broadband + Carl Zeiss 60mm f/4.0 UV-Planar] Visible Light [f/11 for 1/1.3" @ ISO-400 in Sunlight with Baader UVIR-Block Filter]E. ciliatum has paler pink to white flowers. Visible Light [f/11 for 1" @ ISO-400 with Onboard Flash and Baader UVIR-Block Filter] Ultraviolet Light [f/11 for 1/60" @ ISO-400 with SB-14 UV-modified Flash and BaaderU UV-Pass Filter] Ultraviolet Light [f/11 for 15" @ ISO-400 with SB-14 UV-modified Flash and BaaderU UV-Pass Filter]A long exposure was made to permit multiple flashes for more even coverage. Various Identifying Photos Seed pod Leaves Leaf, abaxial side Link to comment
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