Piri piri burr - Acaena novae-zelandiae


    A prostrate dwarf plant which can produce dense mats of leaves and ball-like heads of spiny, hooked seeds (burs).

    Identification difficulty

    Bare ground including sand dunes, cliffs, heaths, conifer plantations on sandy soils, old gravel workings, roadsides and disused railways.

    When to see it

    In flower during June, July and August.

    Life History

    Perennial herb. Reproduction is from seed, and sometimes from pieces of rooted stolon. Recognised as an alien and invasive threat to some habitats where it forms dense mats of growth that suppress native species.

    UK Status

    Occasional but widespread in Britain.

    VC55 Status

    First VC55 record came from Leicester in 2010 but it is likely to become more frequent in our area.

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    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map