Tuesday 21 May
Brown galingale (Cyperus fuscus)
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Brown galingale fact file
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Brown galingale description
Brown galingale is a small tufted sedge, with three-angled stems that bear narrow, dull grey-green leaves (4). The flowers are tiny and covered by bracts (known as glumes), which are brown, hence the name, brown galingale (5).
- Varies greatly: 5-30 cm (2)
Brown galingale biology
Brown galingale is an annual species, and germinates in early summer (3) when the seed-bank is exposed by retreating water levels (2). In Britain, flowers, which are wind-pollinated, are produced from July to September, and fruit is set soon after flowering (2). Whilst most seeds probably do not disperse far, dispersal by floodwater along river valleys is likely, and seeds have been found in mud attached to birds (2). The life-cycle can be completed within just 4 months (2), and it seems that the seeds are able to lie dormant in the soil for some time, as germination has been reported after disturbance of the ground several years after the species has disappeared from a site (3).Top
Brown galingale range
Brown galingale has always been rare in Britain, having only ever been recorded from 13 sites in England (2), including one introduced site in London (3). Most records are focused around the River Thames and the River Avon, with additional sites in Somerset, Dorset and the Weald (2). It has also been found in Jersey. This species has declined by around 50%; since 1990 it has been recorded from just 6 sites in England (2). It persists at sites in Somerset, south Hampshire, Buckinghamshire, Berkshire and Middlesex (2). Elsewhere, it occurs throughout most of Europe, as well as in Asia, North Africa, Madeira, Tenerife (3), Canada, and it is rare in the eastern USA (2).Top
Brown galingale habitat
Grows on open, damp peat or on gravel or sand at the edge of ponds and ditches (3), which are exposed during summer when the water level decreases (4). Typical habitats supporting this species have a long history of grazing by livestock, which maintains open conditions (3).Top
Brown galingale status
Classified as Vulnerable in Great Britain and fully protected by Schedule 8 of the Wildlife and Countryside Act, 1981 (3).Top
Brown galingale threats
Potential threats at present include the loss of ponds, land reclamation, drainage, and gravel extraction (2).Top
Brown galingale conservation
Five of the sites where this species is found receive a level of protection as Sites of Special Scientific Interest (SSSIs); one site is a designated National Nature Reserve (NNR). Conservation management has been successful at some sites; at a site in Surrey, willows were cleared in 1993 and brown galingale plants reappeared the following year, after an absence of 5 years (2). Plantlife has incorporated this species into its Back from the Brink Programme; it is also included in English Nature's Species Recovery Programme (6).Top
Find out more
For more on English Nature's Species Recovery Programme see:
For more on Plantlife, the wild plant conservation charity see:
Information jointly authenticated by Tim Rich of the National Museums and Galleries of Wales, and Plantlife.Top
- Lives or grows for just one year.
- Modified leaf at the base of a flower.
- National Biodiversity Network Species Dictionary (September 2002) http://www.nhm.ac.uk/nbn/
- Rich, T. C. G. (1999) Conservation of Britain's biodiversity: Cyperus fuscus L. (Cyperaceae), Brown Galingale. Watsonia22: 397-403.
- Wigginton, M. J. (1999) British Red Data Books 1; Vascular Plants. 3rd Edition.
- Rose, F. (1989) Colour identification guide to the grasses, sedges, rushes and ferns of the British Isles and north-west Europe. Viking, London.
- Rich, T. (2002) Pers. comm.
- Plantlife (September 2002): http://www.plantlife.org.uk/uk/plantlife-saving-species-under-our-care.html#S
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