Atriplex portulacoides

Tracheophyta MagnoliopsidaChenopodiaceaeAtriplexAtriplex portulacoides

Ecology

A low shrub of muddy or sandy saltmarshes, commonly fringing intertidal pools and creeks, and often forming extensive stands on ungrazed saltings. In W. Britain and Ireland it also occurs locally on coastal rocks and cliffs. Lowland.

Status

Native

World Distribution

Mediterranean-Atlantic element.

© P. Shannon

Broad Habitats

Littoral sediment (includes saltmarsh and saltmarsh pools)

Light (Ellenberg): 9

Moisture (Ellenberg): 8

Reaction (Ellenberg): 8

Nitrogen (Ellenberg): 6

6

Salt Tolerance (Ellenberg): 6

January Mean Temperature (Celsius): 4.6

July Mean Temperature (Celsius): 15.7

Annual Precipitation (mm): 869

Life form information

Height (cm): 80

Perennation - primary

Perennial

Life Form - primary

Nanophanerophyte

Comment on Life Form

dwarf shrub

Woodiness

Woody

Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 322

Count of 10km squares in Ireland: 68

Count of 10km squares in the Channel Isles: 10

Atlas Change Index: 0.06

Weighted Changed Factor: -1

Weighted Change Factor Confidence (90%)

26

Distribution information

JNCC Designations

NBNSYS0000003119

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 (85b)
Akeroyd JR, Preston CD
1984.  Halimione portulacoides (L.) Aellen on coastal rocks and cliffs. Watsonia. 15:95-103.
Chapman VJ
1950.  Biological Flora of the British Isles. No. 29. Halimione portulacoides (L.) Aell. Journal of Ecology. 38:214-222.
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1980)
Meusel H, Jäger E, Weinert E
1965.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols.