Drug eyebright

Euphrasia stricta kunth

''Euphrasia stricta'' or drug eyebright is an annual forb in the genus ''Euphrasia''. The preferred growing location is on moist, calcareous sands, such as those on some moors and dunes. The plant is a hemiparasite and can steal water and salts from grasses.
Drug eyebright - Euphrasia stricta Kunth Nationaal Park Weerribben-Wieden, Holland (2013). Drug eyebright,Euphrasia stricta Kunth,Geotagged,Netherlands,Summer

Distribution

It has been introduced in northeastern North America, where it is found in New England , New York, Pennsylvania, Nova Scotia, New Brunswick, Prince Edward Island, Ontario, Quebec, the upper peninsula of Michigan, northern Wisconsin, and Illinois.. It is also found in Central Europe and Pyrenees.
Drug eyebright Orveytbos, Belgium. June 4, 2017. Belgium,Euphrasia stricta,Euphrasia stricta Kunth,Geotagged,Spring

Uses

Euphrasia stricta is used in herbal medicine to treat inflammatory eye conditions, most notably allergic conjunctivitis. The German Commission E did not consider there to be sufficient evidence to prove eyebright is useful for any condition. Human clinical trials are lacking to support traditional claims, though absence of evidence is not proof of inefficacy.

References:

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderLamiales
FamilyOrobanchaceae
GenusEuphrasia
SpeciesE. stricta
Photographed in
Belgium
Netherlands