False London-rocket - Sisymbrium loeselii

    Description

    Similar to London Rocket, but hairier, especially below and with brighter yellow flowers, 4 to 6 mm, not overtopped by the young fruits.

    Similar Species

    other Sisymbrium

    Identification difficulty
    ID guidance

    Seed-pods long and sticking out from stem, without beak, splitting into 2 valves with one row of seeds in each valve; lowest leaves lobed, upper stem-leaves divided but not pinnate; fruit pedicels nearly as wide as ripe fruit, petals longer than sepals or stamens. 

    Recording advice

    The County Recorder has asked for a specimen of this plant to be retained for verification

    Habitat

    Waste and bare places, cultivated land.

    When to see it

    Flowers June to August.

    Life History

    Annual.

    UK Status

    Occasional in the London area, scarce or rare elsewhere in Britain.

    VC55 Status

    Uncommon in the Leicestershire and Rutland area. The Ratby record of June 2015 is only the second modern record of this plant in our region, the first coming from Glenfield in 1998. It was not recorded in the 1979 Flora survey of Leicestershire.

    Leicestershire & Rutland Map

    UK Map