
1) Herbal tea 2) Plant common name
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https://www.crosswordclues.com/clue/labrador-tea

Labrador tea is an herbal tea (not a true tea) made from three closely related species: All three are primarily wetland plants in the Heath family (Ericaceae). The herbal tea has been a favorite beverage among Athabaskan and Inuit people for many years. All three species used to make Labrador tea are low, slow-growing shrubs with evergreen leaves....
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http://en.wikipedia.org/wiki/Labrador_tea

common name for two species of low-growing, perennial evergreen shrubs in the Rhododendron genus of the heath family (Ericaceae). R. tomentosum is ...
Found on
http://www.britannica.com/eb/a-z/l/3

Labrador Tea is a name given to two species of the genus Ledum (Ledum latifolium and Ledum palustre). They grow in the north of Europe, and in America north of Pennsylvania. They are species of heath, and are low shrubs with alternate entire leaves clothed underneath with rusty wool. The fragrant crushed leaves were traditionally used by the native...
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http://www.probertencyclopaedia.com/browse/BL.HTM

Labrador tea is a Canadian infusion brewed from an arctic evergreen ericaceous shrub.
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http://www.probertencyclopaedia.com/browse/QL.HTM

[
n] - evergreen shrub of eastern North America having white or creamy bell-shaped flowers and dark green hairy leaves used for tea during American Revolution
Found on
http://www.webdictionary.co.uk/definition.php?query=Labrador%20tea
Ledum groenlandicum noun evergreen shrub of eastern North America having white or creamy bell-shaped flowers and dark green hairy leaves used for tea during American Revolution
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.