Greater Burdock - Arctium lappa

    Description

    A tall plant to 1.5 metres with large (to 50 cm) heart shaped basal leaves with solid stalks. Flowers globose purple 20 to 25 mm (35 to 42 mm in fruit). The flower heads are borne on long stalks up to 10cm and the spiny outside bracts are shiny golden green (never tinged purple).

    Similar Species

    There are other very similar species in this genus which means that detailed examination of an actual specimen or very good images are needed to identify the exact species.

    Identification difficulty
    Habitat

    Rough grassy places, hedgerows, roadsides, and waste ground.

    When to see it

    July to September.

    Life History

    Biennial.

    UK Status

    Fairly frequent in England south of the Humber.

    VC55 Status

    Fairly frequent in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 65 of the 617 tetrads.

    Leicestershire & Rutland Map

    UK Map