Ballota nigra

Tracheophyta MagnoliopsidaLamiaceaeBallotaBallota nigra

Ecology

A foetid perennial herb of hedgerows, field-borders, walls, waysides and waste ground, often on disturbed nutrient-rich soils near habitations. Lowland, though it has been recorded as a casual at 480 m on Helvellyn (Cumberland).

Status

Archaeophyte

World Distribution

As an archaeophyte B. nigra has a European Southern-temperate distribution.

© S. Hammonds

Broad Habitats

Boundary and linear features (eg hedges, roadsides, walls)

Light (Ellenberg): 7

Moisture (Ellenberg): 4

Reaction (Ellenberg): 8

Nitrogen (Ellenberg): 6

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.8

July Mean Temperature (Celsius): 15.7

Annual Precipitation (mm): 797

Height (cm): 100

Perennation - primary

Perennial

Life Form - primary

Hemicryptophyte

Woodiness

Herbaceous

Clonality - primary

Rhizome far-creeping

Count of 10km squares in Great Britain: 1365

Count of 10km squares in Ireland: 70

Count of 10km squares in the Channel Isles: 12

Atlas Change Index: -0.37

Weighted Changed Factor: 13

Weighted Change Factor Confidence (90%)

14

JNCC Designations

NBNSYS0000004238

Atlas text references

Atlas (248a)
Halliday G
1997.  A Flora of Cumbria.
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Meusel H, Jäger E, Rauschert S, Weinert E
1978.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 2. 2 vols.