Andrea B. Posted January 18, 2017 Share Posted January 18, 2017 Blum, A.G. (2017) Another Example of Erysimum cheiranthoides L. (Brassicaceae) Wormseed Wallflower. Flowers photographed in ultraviolet and visible light. http://www.ultraviol...nother-example/Updated 27 March 2017: Second set added Synonyms:Cheirinia cheiranthoides (L.)Other Common Names:Treacle MustardWormseed MustardComment:The tiny petals of E. cheiranthoides show the typical UV-black patches and veining of other Brassicaceae. Unopened flowers and seed cases are UV-black and provide the bright petal tips with a nicely contrasting background.Rørslett(2) first posted E. cheiranthoides here on UVP. We welcome multiple examples of the same flower in order to confirm their UV-signatures. Reference:1. New England Wild Flower Society (2016) Erysimum cheiranthoides. Wormseed Wallflower. https://gobotany.new...cheiranthoides/2. Rørslett, B. 2012. Erysimum cheiranthoides L. (Brassicaceae). Little Wallflower. Flowers photographed in visible and ultraviolet light. http://www.ultraviol...tle-wallflower/ SET 1Shore Cottage, Southwest Harbor, Maine, USA03 August 2016Wildflower Equipment [Nikon D600-broadband + Nikon 105mm f/4.5 UV-Nikkor] Visible Light [f/16 for 1/10" @ ISO-200 with Onboard Flash and Baader UVIR-Block Filter] Ultraviolet Light [f/11 for 8" @ ISO-800 with SB-14 UV-modified Flash and BaaderU UV-Pass Filter]A long exposure was made to permit multiple flashes for more even coverage. SET 2Shore Cottage, Southwest Harbor, Maine, USA10 July 2014Wildflower Equipment [Nikon D600-broadband + Carl Zeiss 60mm f/4.0 UV-Planar] Visible Light [f/11 for 1.6" @ ISO-400 with Onboard Flash and Baader UVIR-Block Filter] Ultraviolet Light [f/11 for 20" @ ISO-800 with SB-14 UV-modified Flash and BaaderU UV-Pass Filter]A long exposure was made to permit multiple flashes for more even coverage. Link to comment
nfoto Posted January 19, 2017 Share Posted January 19, 2017 These look exactly like those I photographed. Not a given fact as the species is quite variable in taxonomic terms. Link to comment
Andy Perrin Posted January 19, 2017 Share Posted January 19, 2017 Mustards seem much prettier in UV than in visible light. I guess in UV the spice is right. Link to comment
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