Nodding Bur-marigold - Bidens cernua


    Short to tall plant with erect stems. Leaves opposite, linear lanceolate to lanceolate, toothed and unstalked. Flowerheads yellow, 15 to 25 mm, nodding, with or without rays. Outer flowers bracts 5 to 8, leaf like, the inner with dark streaks.

    Identification difficulty

    Moist habitats. Margins of ponds, lakes, rivers and canals.

    When to see it

    Flowering July to September.

    Life History


    UK Status

    Scattered throughout much of Britain though scarce in the south west.

    VC55 Status

    Quite scarce in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 12 of the 617 tetrads.

    Leicestershire & Rutland Map

    UK Map