Cypress Spurge - Euphorbia cyparissias

    Description

    Euphorbia cyparissias is a vigorously spreading rhizomatous plant with erect stems to 40 cm tall, bearing very narrow blue-green leaves, and greenish-yellow flowers, often becoming orange with age.

    Similar Species

    Several other species within the Euphorbia esula species aggregate may be found, with very similar flowers but different leaf-shapes.

    Identification difficulty
    ID guidance

    Glabrous plant, with linear leaves. The glands on the cyathium (the cup shaped structure that bears the male and female flowers) are concave on the outer edge, with two points.

    Recording advice

    A photograph of the plant in its habitat, with details of flowers and leaves

    Habitat

    Grown as a garden plant and sometimes escaping and establishing in bare and disturbed places, railway verges and various cracks and crevices.

    When to see it

    Late spring and early summer.

    Life History

    Perennial.

    UK Status

    Widespread and fairly frequent as an escape in Britain.

    VC55 Status

    Uncommon or under recorded as an escape in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 5 of the 617 tetrads.

    In the current checklist (Jeeves, 2011) it is listed as Alien (neophyte); rare

    Leicestershire & Rutland Map

    UK Map