Tutsan - Hypericum androsaemum

Semi evergreen, hairless shrub to 70 cm. Stems with two raised lines. Leaves opposite, oval to oblong and unstalked. Flowers pale yellow, 18 to 22 mm in small terminal clusters.

There are several other shrubby Hypericum, all garden escapes.  The hybrid with Stinking Tutsan (Hypericum x inodorum) has petals longer than sepals and a faint unpleasant smell when bruised, and the cultivated variety 'Elstead', with red fruits, is frequently planted.  

Woody plant; 3 styles; sepals persistent until fruit ripens; petals shorter than or as long as sepals

A photo of the plant with details of flowers/fruit

Often in damp or shaded habitats including deciduous woodland and hedgerows, often on disturbed ground or near to habitation.

June to August.

Perennial.

Occasional in Britain, and often as a garden escape, but native in some parts of Britain.

Uncommon in Leicestershire and Rutland where it is usually found as a garden escape. In the 1979 Flora survey of Leicestershire it was found in 3 of the 617 tetrads.

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