Sherardia arvensis

Tracheophyta MagnoliopsidaRubiaceaeSherardiaSherardia arvensis

Ecology

An annual of open, droughted grasslands, sheltered cliffs, sand dunes, arable fields, waste ground, waysides and verges. Mainly lowland, but reaching 365 m in Aberdeenshire.

Status

Native

World Distribution

European Southern-temperate element; it is widely naturalised outside its native range.

© P. Shannon

Broad Habitats

Light (Ellenberg): 7

Moisture (Ellenberg): 4

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 4

0

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.9

July Mean Temperature (Celsius): 15.2

Annual Precipitation (mm): 916

Life form information

Height (cm): 40

Perennation - primary

Annual

Life Form - primary

Therophyte (annual land plant)

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 1635

Count of 10km squares in Ireland: 369

Count of 10km squares in the Channel Isles: 12

Atlas Change Index: -0.94

Weighted Changed Factor: 39

Weighted Change Factor Confidence (90%)

17

Distribution information

JNCC Designations

NBNSYS0000004300

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.