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Diplotaxis tenuifolia [Perennial Wall-rocket]


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#1 nfoto

    Former Fierce Bear of the North

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Posted 28 December 2012 - 20:20

Rørslett, B. 2012. Diplotaxis tenuifolia (L.)DC. (Brassicaceae). Perennial Wall-rocket. Flowers photographed in visible and ultraviolet light.

Diplotaxis tenuifolia (L.)DC.
NO: Steinsennep
SE: Sandsenap
DK: Sandsennep
FI: Isohietasinappi
DE: Schmalblättriger Doppelsame
EN: 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.

Attached Image: DIPL_TEN_B1108127551_VIS.jpg
Image reference: DIPL_TEN_B1108127551_VIS.jpg
Visible light. Nikon D3S, Voigtländer APO-Lanthar 125 mm f/2.5 lens. In situ.

Attached Image: DIPL_TEN_I1108124023_UV.jpg
Image reference: DIPL_TEN_I1108124023_UV.jpg
Ultraviolet 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]