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

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.9

July Mean Temperature (Celsius): 15.2

Annual Precipitation (mm): 916

Height (cm): 40

Perennation - primary

Annual

Life Form - primary

Therophyte (annual land plant)

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

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

JNCC Designations

NBNSYS0000004300