Saxifraga stellaris (Starry Saxifrage)

Ecology

A perennial, stoloniferous herb found in open (rarely shaded), wet flushes, growing by mountain streams or on wet rock ledges and cliff-faces, usually in base-poor soil. It is commonly found from about 200-1000 m, although it has been recorded at 1340 m on the top of Ben Nevis (Westerness).

Status

Native

World Distribution

European Arctic-montane element; also in N. America.

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 8

Reaction (Ellenberg): 5

Nitrogen (Ellenberg): 3

0

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 1.8

July Mean Temperature (Celsius): 12.3

Annual Precipitation (mm): 1811

Life form information

Height (cm): 20

Perennation - primary

Perennial

Life Form - primary

Hemicryptophyte

Life Form - secondary

Chamaephyte

Comment on Life Form

"treated here as a wintergreen mainly hemicryptophyte, analagous to Pyrola"

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 440

Count of 10km squares in Ireland: 61

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: -0.58

Weighted Changed Factor: -12

Weighted Change Factor Confidence (90%)

19

Distribution information

JNCC Designations

NBNSYS0000003490

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 (136b)
Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols,
Hultén, E., and Fries M.
, Königstein, (1986)

Jalas & Suominen (1999)
Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols,
Meusel, H., Jäger E., and Weinert E.
, Jena, (1965)

Saxifrages of Europe,
Webb, D. A., and Gornall R. J.
, London, (1989)