Tuesday 21 May
Eyebright (Euphrasia vigursii)
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Eyebright fact file
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- Stem height: 20 cm (occasionally up to 25 cm) (1)
This species seems to have evolved by crossing between two different species of eyebright; Euphrasia anglia and Euphrasia miracantha (2). During the Middle Ages, the related species Euphrasia officinalis was used to brighten the eyes, hence the common name 'eyebright' (4).Top
Occurs in Devon, where it has always been rare, and in Cornwall (3).Top
Grows on bristle brent (Argostis curtisii) and western gorse (Ulex galli) heathlands (3). The species requires fairly open conditions and short grass created by grazing or burning to keep the gorse and heather in check (3). It often occurs alongside paths in coastal areas, where regular trampling maintains open conditions (2).Top
Vulnerable in Great Britain (2).Top
Habitat destruction has resulted in the loss of this plant at a number of sites in inland Cornwall (5). Grazing maintains the open conditions favoured by this species, so the widespread decline in grazing poses a threat (5).Top
There are two sites on Dartmoor where this species occurs. Suitable habitat management is underway at both sites (3).Top
Find out more
- The Dartmoor Species Action Plan for this species is available at:
AuthenticationThis information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact: firstname.lastname@example.orgTop
- Modified leaves at the base of a flower.
- A species or taxonomic group that is only found in one particular country or geographic area.
- Stace, C. (1991) New Flora of the British Isles. Cambridge University Press, Cambridge.
- Wigginton, M.J. (1999) British Red Data Book 1: Vascular Plants, 3rd Edition. JNCC, Peterborough.
- Dartmoor species action plan for Vigur's eyebright (March, 2002)
- Grigson, G. (1996) The Englishman's Flora. Helicon Publishing Limited, Oxford.
- UK BAP. Grouped Action Plan for eyebrights (March, 2002)
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