Saxifraga granulata

Tracheophyta MagnoliopsidaSaxifragaceaeSaxifragaSaxifraga granulata

Ecology

A perennial herb with a bulbiliferous rhizome, growing in moist but well-drained, often lightly grazed, base-rich and neutral grassland, in unimproved pastures and hay meadows, and on grassy banks. More rarely, it occurs on shaded river banks and in damp woodland. It is also locally naturalised near houses and in churchyards. Generally lowland, but reaching 580 m N.E. of Helbeck Fell (Westmorland).

Status

Native

World Distribution

European Temperate element.

© P. Shannon

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 5

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 4

0

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.1

July Mean Temperature (Celsius): 15.1

Annual Precipitation (mm): 853

Life form information

Height (cm): 36

Perennation - primary

Perennial

Life Form - primary

Hemicryptophyte

Comment on Life Form

produces bulbils; perhaps to some extent a bulbil-therophyte

Woodiness

Herbaceous

Clonality - primary

Detaching ramets above ground (often axillary)

Distribution information

Count of 10km squares in Great Britain: 975

Count of 10km squares in Ireland: 6

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: -0.26

Weighted Changed Factor: -40

Weighted Change Factor Confidence (90%)

30

Distribution information

JNCC Designations

NBNSYS0000003499

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 (137c)
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.
Jalas & Suominen (1999)
Meusel H, Jäger E, Weinert E
1965.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols.
Webb DA, Gornall RJ
1989.  Saxifrages of Europe.