nfoto Posted December 28, 2012 Share Posted December 28, 2012 Rørslett, B. 2012. Diplotaxis tenuifolia (L.)DC. (Brassicaceae). Perennial Wall-rocket. Flowers photographed in visible and ultraviolet light. Diplotaxis tenuifolia (L.)DC.NO: SteinsennepSE: SandsenapDK: SandsennepFI: IsohietasinappiDE: Schmalblättriger DoppelsameEN: Perennial Wall-rocket A biennial or perennial species of dry often disturbed soils that is native to Europe and introduced into North America. In the Nordic countries it only occurs as an adventitious species and occurrences are often short-lived. The foliage of this plant sometimes is used as a vegetable in salads. Doesn't taste too bad, actually. Specimen collected in Oslo, Norway 12 August, 2011. Image reference: DIPL_TEN_B1108127551_VIS.jpgVisible light. Nikon D3S, Voigtländer APO-Lanthar 125 mm f/2.5 lens. In situ. Image reference: DIPL_TEN_I1108124023_UV.jpgUltraviolet light: Nikon D40X, Coastal APO 60 mm f/4 lens, Baader U 2" (Venus) filter, Broncolor Minicom studio flash (uncoated Xenon tubes), in studio. The petals are very UV-dark with narrow circular bright patches towards the base. [Published: 26 Dec 2012. Last updated: 17 Jan 2013] Link to comment
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