Perennial Wall-rocket - Diplotaxis tenuifolia

    Description

    A medium to tall plant, woody at the base. The stems are leafy, leaves mostly with 4 to 8 segments, hairless except at the margin and strong smelling when crushed. Flowers sulphur yellow, 15 to 30 mm. Seeds stiffly erect.

    Similar Species

    other yellow crucifers

    Identification difficulty
    ID guidance

    Glabrous, with deeply pinnately lobed leaves. Seed-pods long, with seeds in two rows under each valve. 

    Recording advice

    The County Recorder has asked for a specimen of this plant to be retained for verification

    Habitat

    Waste places and rocky habitats.

    When to see it

    May to September.

    Life History

    Perennial.

    UK Status

    Naturalised in south eastern England, but casual further north.

    VC55 Status

    A rare ancient introduction in VC55.  Prior to the Croft Hill record of June 2012, the last record for VC55 was in 1997. In the 1979 Flora survey of Leicestershire it was found in only 1 of the 617 tetrads.

    In the current Checklist (Jeeves, 2011) it is listed as Alien (archaeophyte), rare.  

    It is in the local VC55 Rare Plant Register

    Leicestershire & Rutland Map

    MAP KEY:

    Yellow squares = NBN records (all known data)
    Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

    UK Map