Anagallis tenella

Tracheophyta MagnoliopsidaPrimulaceaeAnagallisAnagallis tenella


A creeping, evergreen perennial of wet open sites. In S. and E. Britain it is mostly restricted to bare soil or bryophyte mats in calcareous dune-slacks and short-sedge fens, and sometimes on acidic bogs. In the west it also occurs in a variety of soligenous and peaty mires, hillside flushes and rush-pastures, and relying on cattle, sheep or periodic flooding to keep sites open. 0-610 m (Buck of Cabrach, N. Aberdeen).



World Distribution

Oceanic Southern-temperate element.

Broad Habitats

Fen, marsh and swamp (not wooded)

Light (Ellenberg): 8

Moisture (Ellenberg): 8

Reaction (Ellenberg): 5

Nitrogen (Ellenberg): 3


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 4

July Mean Temperature (Celsius): 14.6

Annual Precipitation (mm): 1139

Life form information

Height (cm): 5

Perennation - primary


Life Form - primary


Life Form - secondary


Comment on Life Form

"chamaephyte (CTW 1962), but buds are at ground level"



Clonality - primary

Extensively creeping and rooting at nodes

Distribution information

Count of 10km squares in Great Britain: 1281

Count of 10km squares in Ireland: 636

Count of 10km squares in the Channel Isles: 9

Atlas Change Index: -0.54

Weighted Changed Factor: -12

Weighted Change Factor Confidence (90%)


Distribution information

JNCC Designations


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.