Thalictrum alpinum

Tracheophyta MagnoliopsidaRanunculaceaeThalictrumThalictrum alpinum

Ecology

A small, rhizomatous perennial of mountain habitats. It is found on damp rock ledges, at the open edges of stony streams and flushes and in thin grassland. It is a good indicator of substrates which are at least slightly base-rich. From sea level in N. Scotland, but generally above 300 m and reaching 1190 m on Ben Lawers (Mid Perth).

Status

Native

World Distribution

Circumpolar Arctic-montane element, with a disjunct distribution.

© Pete Stroh

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 7

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 3

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 2

July Mean Temperature (Celsius): 12.1

Annual Precipitation (mm): 1845

Height (cm): 15

Perennation - primary

Perennial

Life Form - primary

Hemicryptophyte

Woodiness

Herbaceous

Clonality - primary

Rhizome far-creeping

Count of 10km squares in Great Britain: 409

Count of 10km squares in Ireland: 23

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: -0.34

Weighted Changed Factor: 10

Weighted Change Factor Confidence (90%)

28

JNCC Designations

NBNSYS0000002745

Atlas text references

Atlas (26a)
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1989)
Meusel H, Jäger E, Weinert E
1965.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols.