Anchusa arvensis

Tracheophyta MagnoliopsidaBoraginaceaeAnchusaAnchusa arvensis

Ecology

This annual weed is mostly found on well-drained soils in arable fields, but it also occurs near the sea on sandy heaths, in disturbed dunes and on waste ground. Lowland, but with a casual record at 420 m near Ballater (S. Aberdeen).

Status

Archaeophyte

World Distribution

As an archaeophyte A. arvensis has a Eurosiberian Temperate distribution; it is widely naturalised outside this range.

© G. Toone, IWNHAS

Broad Habitats

Arable and horticultural (includes orchards, excludes domestic gardens)

Light (Ellenberg): 7

Moisture (Ellenberg): 4

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 5

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.7

July Mean Temperature (Celsius): 15

Annual Precipitation (mm): 874

Height (cm): 50

Perennation - primary

Annual

Perennation - secondary

Biennial, including monocarpic perennials

Life Form - primary

Therophyte (annual land plant)

Life Form - secondary

Hemicryptophyte

Comment on Life Form

CTW imply that mainly annual

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 1514

Count of 10km squares in Ireland: 75

Count of 10km squares in the Channel Isles: 13

Atlas Change Index: -0.7

Weighted Changed Factor: -2

Weighted Change Factor Confidence (90%)

21

JNCC Designations

NHMSYS0000455907