Paris quadrifolia (Herb-Paris)

Summary

Summary Information

Ecology

A rhizomatous, perennial herb of moist, calcareous, usually ancient, woodland, and occasionally found in grikes on open limestone pavement. It flowers and fruits most freely in the open stages of the coppice cycle, but persists in deep shade, and is well adapted to such conditions in managed woodland. Generally lowland, but reaching 360 m at Great Asby Scar (Westmorland) and Garrigill (Cumberland).

Status

Native

World Distribution

Eurosiberian Boreo-temperate element.

Photos

Photos Information

Habitats

Habitats Information

Broad Habitats

Broadleaved, mixed and yew woodland

Light (Ellenberg): 3 Information

Moisture (Ellenberg): 6 Information

Reaction (Ellenberg): 7 Information

Nitrogen (Ellenberg): 6 Information

Salt Tolerance (Ellenberg): 0 Information

January Mean Temperature (Celsius): 3.2 Information

July Mean Temperature (Celsius): 15.3 Information

Annual Precipitation (mm): 877 Information

Life Form

Life Form Information

Height (cm): 40

Perennation - primary

Perennial

Perennation - secondary



Life Form - primary

Non-bulbous geophyte (rhizome, corm or tuber)

Life Form - secondary



Woodiness

Herbaceous

Clonality - primary

Rhizome far-creeping

Clonality - secondary



Distribution

Distribution Information

Count of 10km squares in Great Britain: 714

Count of 10km squares in Ireland: 0

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: -0.68

Conservation Status

Conservation Status Information

Plantatt Conservation Status



JNCC Designations

No designations found.

Other Accounts

Other Accounts Information

External Species Accounts

References

References Information

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 (317b) Hultén E, Fries M.  1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols. Mabey R.  1996.  Flora Britannica. Meusel H, Jäger E, Weinert E.  1965.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols.