Geranium sylvaticum

Tracheophyta MagnoliopsidaGeraniaceaeGeraniumGeranium sylvaticum

Ecology

A stoutly rhizomatous perennial herb of hay meadows, ungrazed damp woodlands, streamsides and mountain rock ledges, and in many areas a characteristic feature of laneside hedge banks and verges. Mainly upland, to 1005 m on Ben Lawers (Mid Perth).

Status

Native

World Distribution

Eurosiberian Boreal-montane element.

© K.J. Walker, BSBI

Broad Habitats

Light (Ellenberg): 6

Moisture (Ellenberg): 5

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 5

0

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 1.8

July Mean Temperature (Celsius): 13

Annual Precipitation (mm): 1339

Life form information

Height (cm): 70

Perennation - primary

Perennial

Life Form - primary

Hemicryptophyte

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 675

Count of 10km squares in Ireland: 4

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: -0.45

Weighted Changed Factor: -17

Weighted Change Factor Confidence (90%)

19

Distribution information

JNCC Designations

NBNSYS0000003148

PLANTATT - Attributes of British and Irish plants. (.zip 1455KB) This dataset was compiled and published in 2004, and last updated in November 2008. Download includes an Excel spreadsheet of the attributes, and a PDF explaining the background and nomenclature. Note that the PDF version is the booklet as published, whereas the Excel spreadsheet incorporates subsequent corrections. A hardcopy can be purchased from the Centre for Ecology and Hydrology.

Atlas text references

Atlas (91a)
Curtis TGF, McGough HN
1988.  The Irish Red Data Book. 1. Vascular Plants.
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.
Yeo PF
1985.  Hardy Geraniums.