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

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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