Fool's-water-cress - Helosciadium nodiflorum

    Alt Name
    Fool's Water-cress
    Description

    Low to medium, prostrate to ascending plant, the stems finely grooved, rooting at the lower nodes. Leaves 1 pinnate, with 5 to 13 oval or lanceolate, toothed segments. Flowers white and minute, the umbels leaf opposed, short stalked or unstalked, with 3 to 12 rays. No bracts, but with bracteoles.

    Similar Species

    Very similar to Lesser Water-parsnip when it isn't in flower, and often confused with it.  Sometimes mistaken for watercress.

    Identification difficulty
    ID guidance

    No bracts, but bracteoles; flowers in leaf axils, not terminal.  Unlike Berula erecta, lacks a white ring-mark/ridge around the lower leaf petioles.

    Recording advice

    Photo of plant in its habitat with details of umbel.

    Habitat

    Wet habitats, wet ditches, etc.

    When to see it

    July and August.

    Life History

    Perennial.

    UK Status

    Common in most of Britain, but scarcer in northern England and Scotland.

    VC55 Status

    Common in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 461 of the 617 tetrads.

    In the current Checklist (Jeeves, 2011) it is listed as Native, locally abundant 

    Leicestershire & Rutland Map

    UK Map