Arctostaphylos uva-ursi

Tracheophyta MagnoliopsidaEricaceaeArctostaphylosArctostaphylos uva-ursi

Ecology

This procumbent low shrub is found on upland heaths and moorlands, often over well-drained gravelly or rocky ground, and on ravine sides. It sometimes grows in heathy grasslands on limestone, as in the Burren. From sea level in W. Ireland and Ardtoe (Westerness) to c. 710 m (Rannoch Moor, Mid Perth) and reportedly at 915 m in Inverness-shire.

Status

Native

World Distribution

Circumpolar Boreal-montane element.

Broad Habitats

Light (Ellenberg): 7

Moisture (Ellenberg): 5

Reaction (Ellenberg): 2

Nitrogen (Ellenberg): 2

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 2.1

July Mean Temperature (Celsius): 12.3

Annual Precipitation (mm): 1615

Height (cm): 20

Perennation - primary

Perennial

Life Form - primary

Chamaephyte

Woodiness

Woody

Clonality - primary

Extensively creeping and rooting at nodes

Count of 10km squares in Great Britain: 473

Count of 10km squares in Ireland: 37

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: -0.75

Weighted Changed Factor: 0

Weighted Change Factor Confidence (90%)

30

JNCC Designations

NHMSYS0000456036