Branchlets 4-angled, somewhat narrowly winged, glabrous. Leaves opposite, 3-foliolate or often simple at base of branchlets. Flowers yellow, solitary, usually in the axils.

Please provide supporting images.

Often occurs as a garden escape and usually found close to habitation. It may establish in walls and waste places.

It is one of the earliest flowering plants to bloom, often in January.

Deciduous shrub.

Widespread in the southern half of Britain, less frequently recorded further north.

Rarely recorded in the wild in Leicestershire and Rutland.