Calla palustris

Tracheophyta MagnoliopsidaAraceaeCallaCalla palustris


A rhizomatous perennial herb which grows as floating mats at the edges of lakes and ponds, or rooted in marshes and wet Alnus woodland. Reproduction is vegetative by rhizome fragments; seeds are produced in Britain (and avidly eaten by ducks) but details of germination are unknown. Lowland.



World Distribution

C. palustris has a Circumpolar Boreal-montane distribution; it is, however, virtually absent as a native from the Oceanic zone in Europe.

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.

Atlas text references