Euphorbia x martini
Martin's spurge, Euphorbia x martinii, Euphorbia amygdaloides var. robbiae x characias, Euphorbia characias x robbiae
E. x martini - E. x martini is a upright, clump-forming, evergreen sub-shrub with red-flushed stems bearing lance-shaped, dark grey-green leaves, often flushed purple when young, and, from spring to midsummer, cymes of tiny purple flowers surrounded by prominent, yellow-green bracts.
All parts of the plant are highly toxic if ingested. The milky sap may cause irritation to skin and eyes.