Black Horehound - Ballota nigra

    Description

    Medium to tall, often straggling, very aromatic plant. Flowers lilac 12 to 14 mm in dense whorls along the leafy stem. Calyx funnel shaped with triangular, finely-pointed 4 to 6.5 mm long teeth.

    Identification difficulty
    Habitat

    Woodland margins, hedgebanks and roadside verges.

    When to see it

    June to September.

    Life History

    Perennial.

    UK Status

    Mainly found in England except the north-west. Scarcer in Wales and Scotland.

    VC55 Status

    Frequent in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 247 of the 617 tetrads.

    Leicestershire & Rutland Map

    UK Map