Allium triquetrum

Tracheophyta MagnoliopsidaLiliaceaeAlliumAllium triquetrum

Ecology

A bulbous perennial herb, spreading by ant-dispersed seed on roadsides, in hedge banks, on field margins and in rough and waste ground. Lowland.

Status

Neophyte

World Distribution

Native of the W. & C. Mediterranean region.

© P. Shannon

Broad Habitats

Boundary and linear features (eg hedges, roadsides, walls)

Light (Ellenberg): 6

Moisture (Ellenberg): 4

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 5

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 4.9

July Mean Temperature (Celsius): 15.7

Annual Precipitation (mm): 956

Height (cm): 45

Perennation - primary

Perennial

Life Form - primary

Bulbous geophyte

Woodiness

Herbaceous

Clonality - primary

Tuberous or bulbous, slowing cloning by offsets

Count of 10km squares in Great Britain: 311

Count of 10km squares in Ireland: 123

Count of 10km squares in the Channel Isles: 13

Atlas Change Index: 2.46

Weighted Changed Factor: 72

Weighted Change Factor Confidence (90%)

27

JNCC Designations

NBNSYS0000002203

Atlas text references

Atlas (326d)