Marsh Thistle - Cirsium palustre

    Description

    Medium to tall plant to 1.2 metres, stems spiny-winged to the top, sometimes branched above. Leaves linear lanceolate, pinnately lobed and very spiny, mostly unstalked, hairy above. Flowerheads usually purple, 10 to 12 mm in clusters of 2 to 8. Flower bracts purple tinged, erect, weakly spiny.

    Similar Species

    Mostly easily confused with Welted Thistle but can be distinguished by its feathery seeds. Welted Thistle has seeds with down that is unbranched.

    Photo ID?
    Habitat

    Wet habitats, woodland clearings, wet ditches and marshes.

    When to see it

    July to September.

    Life History

    Biennial.

    UK Status

    Common throughout Britain.

    VC55 Status

    Quite common in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 379 of the 617 tetrads.

    Leicestershire & Rutland Map

    UK Map