Geum urbanum

Tracheophyta MagnoliopsidaRosaceaeGeumGeum urbanum

Ecology

A perennial herb of freely-draining, mildly acidic to calcareous soils. It is found in moderate shade in deciduous woodland (especially in disturbed sites in secondary woodland), scrub and hedgerows and in more disturbed and open habitats, where it may grow as a street or garden weed. Generally lowland, but reaching 450 m on Alston Moor (Cumberland).

Status

Native

World Distribution

Eurosiberian Temperate element.

Broad Habitats

Broadleaved, mixed and yew woodland

Light (Ellenberg): 4

Moisture (Ellenberg): 6

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 7

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.6

July Mean Temperature (Celsius): 14.7

Annual Precipitation (mm): 1044

Height (cm): 70

Perennation - primary

Perennial

Life Form - primary

Hemicryptophyte

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 2330

Count of 10km squares in Ireland: 837

Count of 10km squares in the Channel Isles: 10

Atlas Change Index: -0.53

Weighted Changed Factor: 11

Weighted Change Factor Confidence (90%)

11

JNCC Designations

NBNSYS0000003361

Atlas text references

Atlas (124b)
Grime JP, Hodgson JG, Hunt R
1988.  Comparative Plant Ecology.
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Meusel H, Jäger E, Weinert E
1965.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols.
Taylor (1997a)