Allium ampeloprasum

Ecology

A robust, bulbous perennial herb of rank vegetation in sandy and rocky places near the sea, especially in old fields and hedge banks, on sheltered cliff-slopes, by paths and tracks and in drainage ditches and other disturbed places. Var. ampeloprasum reproduces mainly by seed, whereas the other varieties spread mainly by bulbils. Lowland.

Status

Archaeophyte

World Distribution

As an archaeophyte A. ampeloprasum has a Mediterranean-Atlantic distribution.

© P. Shannon

Broad Habitats

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

Light (Ellenberg): 8

Moisture (Ellenberg): 4

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 5

0

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 5.5

July Mean Temperature (Celsius): 15.5

Annual Precipitation (mm): 1068

Life form information

Height (cm): 180

Perennation - primary

Perennial

Life Form - primary

Bulbous geophyte

Woodiness

Herbaceous

Clonality - primary

Tuberous or bulbous, slowing cloning by offsets

Clonality - secondary

Detaching ramets on inflorescence

Count of 10km squares in Great Britain: 66

Count of 10km squares in Ireland: 24

Count of 10km squares in the Channel Isles: 6

Atlas Change Index: 0.77

Distribution information

JNCC Designations

NBNSYS0000034220

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 (325a
b)A review of Allium Section Allium,
Mathew, B.
, Kew, (1996)
British Red Data Books. 1. Vascular plants, edn 3,
Wigginton, M. J.
, Peterborough, (1999)