Silaum silaus (Pepper-saxifrage)

Ecology

S. silaus is found in damp, unimproved neutral grassland, usually on clay soils. Its habitats include hay- and water-meadows, species-rich pastures and roadsides; it is occasionally found on chalk downs, railway banks and vegetated shingle. Lowland.

Status

Native

World Distribution

Eurosiberian Temperate element.

© Shannon, P

Broad Habitats

Neutral grassland (includes coarse Arrhenatherum grassland)

Light (Ellenberg): 8

Moisture (Ellenberg): 5

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 4

0

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.6

July Mean Temperature (Celsius): 15.8

Annual Precipitation (mm): 743

Life form information

Height (cm): 100

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: 963

Count of 10km squares in Ireland: 0

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: -0.42

Weighted Changed Factor: 4

Weighted Change Factor Confidence (90%)

34

Distribution information

JNCC Designations

NBNSYS0000003699

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 (165c)
Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols,
Hultén, E., and Fries M.
, Königstein, (1986)

Vergleichende Chorologie der zentraleuropäischen Flora. Volume 2. 2 vols,
Meusel, H., Jäger E., Rauschert S., and Weinert E.
, Jena, (1978)

Umbellifers of the British Isles. Botanical Society of the British Isles Handbook no. 2,
Tutin, T. G.
, London, (1980)