Labrador tea
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Labrador tea is a common name for three closely related evergreen shrubs in the genus Rhododendron as well as a herbal tea traditionally made from their leaves. All three species belong to the heath f
Close-up of a Labrador tea flower, found in the alpine zone of northern New Hampshire
Ledum latifolium, an earlier name for Rhododendron groenlandicum
Grayanotoxin
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Grayanotoxins are a group of closely related neurotoxins named after Leucothoe grayana, a plant native to Japan and named for 19th-century American botanist Asa Gray. Grayanotoxin I is also known as a
Labrador tea
…terpenoid ledol which is found in all Labrador tea species. R. groenlandicum has the lowest toxicity due to lower levels of ledol. Moderately narcotic grayanotoxins are also present, but few lethal human cases of poisoning solely due to grayanotoxins have been documented. However, lethal poisonings have been…
Rhododendron luteum
Rhododendron ponticum