Caper Spurge - Euphorbia lathyris

Description

Medium to tall, hairless, erect, often bluish green plant to 1.5 metres. Leaves opposite, linear to oblong, untoothed and unstalked. Bracts oval-triangular, pointed, bright green. Umbels with 2 to 6 main rays, capsule 13 to 17 mm smooth.

Identification difficulty
Habitat

Disturbed ground and waste places, gardens.

When to see it

June and July.

Life History

Biennial.

UK Status

Casual or established throughout Britain as far north as southern Scotland scarce in Wales.

VC55 Status

Local and probably increasing in Leicestershire and Rutland. In the Flora of Leicestershire (Primavesi and Evans 1988) it was found in 4 of the 617 tetrads.

In the current checklist (Jeeves, 2011) it is listed as Alien (archaeophyte); scarce

It was on the 2011 VC55 Rare Plant Register (Jeeves, 2011) but was under-recorded. It is found in more sites than previously known, and does not meet the criteria for the current RPR (Hall and Woodward, 2022)

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map

Species profile

Common names
Caper Spurge
Species group:
Wildflowers
Kingdom:
Plantae
Order:
Malpighiales
Family:
Euphorbiaceae
Records on NatureSpot:
68
First record:
23/07/2006 (Calow, Graham)
Last record:
02/03/2024 (Charity, Kenneth)

Total records by month

% of records within its species group

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