Euphorbia hyberna

Range & Status

Native; Widespread in southern Ireland, and extremely rare and local in Cornwall, Devon and Somerset.

Regional Distribution

Recorded from one site near Portreath (SW64), a SSSI, where it has been known since 1884.

Habitat & Ecology

A small population occurs in a shady, formerly coppiced, oak woodland. It grows in a small area of the woodland, on a north-facing slope, close to paths, with some plants growing on a Cornish Hedge within the wood. It requires an open ground layer.


Can be overgrown by Bramble Rubus fruticosus agg. and Honeysuckle Lonicera periclymenum . A lack of coppicing may threaten its long-term survival.


Nothing practical has been done for decades apart from repeated monitoring surveys.