Water Dock - Rumex hydrolapathum

    Description

    Stout tall much branched plant to 2 metres. Leaves large, rigid broad lanceolate tapered at both ends, lateral veins at right angles to the midrib. Inflorescence dense, flowers in much branched panicles.

    Similar Species

    other Docks - but it is usually much larger

    Identification difficulty
    ID guidance

    Large plant at water's edge.  Valves triangular, 3 elongated tubercles

    Recording advice

    The fruits have a central part, triangular in cross-section, with three membraneous valves surrounding a small, hard 'tubercle'.  The shape and arrangement of valves and tubercles is diagnostic, and close-up photos of fruits and leaves/general habit is needed.

    Habitat

    Canal and river banks.

    When to see it

    July to September.

    Life History

    Perennial

    UK Status

    Fairly frequent in Britain particularly in the southern half.

    VC55 Status

    Fairly frequent in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 64 of the 617 tetrads.

    n the current Checklist (Jeeves, 2011) it is listed as Native, occasional

    Further Information

    http://www.kenadams.org.uk/esb/Docks.htm

    Leicestershire & Rutland Map

    UK Map