Allium paradoxum

Ecology

A bulbous perennial herb, spreading by means of bulbils in a wide variety of, usually ungrazed, situations such as river-banks, roadsides, field margins, other rough and waste ground, and in woodland. Generally lowland, but reaching 375 m at Carter Bar (Roxburghs.).

Status

Neophyte

World Distribution

Native of the Caucasus and Iran.

© K.J. Walker, BSBI

Broad Habitats

Light (Ellenberg): 6

Moisture (Ellenberg): 5

Reaction (Ellenberg): 5

Nitrogen (Ellenberg): 7

1

Salt Tolerance (Ellenberg): 1

January Mean Temperature (Celsius): 3.2

July Mean Temperature (Celsius): 15.1

Annual Precipitation (mm): 810

Life form information

Height (cm): 40

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

Comment on Clonality

Production of offsets by analogy with A. triquetrum; needs confirmation

Distribution information

Count of 10km squares in Great Britain: 316

Count of 10km squares in Ireland: 10

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: 1.83

Weighted Changed Factor: 51

Weighted Change Factor Confidence (90%)

46

Distribution information

JNCC Designations

NHMSYS0000455760

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 (327a)
Native and naturalised garlics in the Cambridge University Botanic Garden,
Oswald, P. [H. ]
, Nature in Cambridgeshire, Volume 35, p.67-75, (1993)