Lathraea squamaria (Toothwort)

Ecology

An annual or perennial herb, parasitic on the roots of a range of woody plants, especially Corylus, Fraxinus and Ulmus glabra. Its typical habitats include deciduous woodland, hedgerows, and river and stream banks. Generally lowland, but reaching 350 m at Alston (Cumberland).

Status

Native

World Distribution

European Temperate element; also in C. Asia.

© K.J. Walker, BSBI

Broad Habitats

Light (Ellenberg): 3

Moisture (Ellenberg): 6

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 6

0

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.3

July Mean Temperature (Celsius): 15

Annual Precipitation (mm): 955

Life form information

Height (cm): 30

Perennation - primary

Perennial

Life Form - primary

Non-bulbous geophyte (rhizome, corm or tuber)

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 634

Count of 10km squares in Ireland: 120

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: -0.36

Weighted Changed Factor: 35

Weighted Change Factor Confidence (90%)

44

Distribution information

JNCC Designations

NBNSYS0000004169

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 (236b)
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)