Mon . 20 Jul 2020
TR | RU | UK | KK | BE |

Rhododendron tomentosum

rhododendron tomentosum, rhododendron tomentosum essential oil
Ledum palustre L

Rhododendron tomentosum syn Ledum palustre, commonly known as marsh Labrador tea, northern Labrador tea or wild rosemary, is a flowering plant in the subsection Ledum of the large genus Rhododendron in the family Ericaceae


  • 1 Growth
  • 2 Habitat
  • 3 Chemical compounds
  • 4 Similar species
  • 5 Uses
    • 51 Herbal medicine
    • 52 Other uses
  • 6 External links and references


It is a low shrub growing to 50 cm rarely up to 120 cm tall with evergreen leaves 12–50 mm long and 2–12 mm broad The flowers are small, with a five-lobed white corolla, and produced several together in a corymb 3–5 cm diameter They emit strong smell to attract bees and other pollinating insects


In North America it grows in northern latitudes in Greenland, Canada, and Alaska, in Europe in the northern and central parts, and in Asia south to northern China, Korea and Japan It grows in peaty soils, shrubby areas, moss and lichen tundra

Chemical compounds

All parts of the plant contain poisonous terpenes that affect the central nervous system First symptoms of overdose are dizziness and disturbances in movement, followed by spasms, nausea, and unconsciousness The mere smell of the plant may cause headache to some people

Similar species

This species is not to be confused with the traditionally-used one Rhododendron groenlandicum, found particularly in the Labrador region where its name comes from and also throughout the rest of Northern North America


Herbal medicine

Rhododendron tomentosum is used in herbalism to make an herbal tea called "Labrador tea" Some schools of homeopathy consider Rhododendron tomentosum to be a specific remedy for puncture wounds produced by sharp-pointed objects or bites However, no objective material benefit has ever been documented in any properly controlled study to date

Other uses

Marsh Labrador tea has traditionally been used as a gruit in brewing beer in the Middle Ages Due to its strong fragrance, it has also formerly been used as a natural deterrent against clothes moths, also mosquitos and bugs in general, in Scandinavia

External links and references

  • "Rhododendron tomentosum" Germplasm Resources Information Network GRIN Agricultural Research Service ARS, United States Department of Agriculture USDA 
  • Flora of China: Ledum palustre
  • USDA PLANTS database: Ledum palustre
  • Den virtuella floran: Distribution

rhododendron tomentosum, rhododendron tomentosum essential oil, rhododendron tomentosum essential oil for sale, rhododendron tomentosum for sale, rhododendron tomentosum harmaja

Rhododendron tomentosum Information about

Rhododendron tomentosum

  • user icon

    Rhododendron tomentosum beatiful post thanks!


Rhododendron tomentosum
Rhododendron tomentosum
Rhododendron tomentosum viewing the topic.
Rhododendron tomentosum what, Rhododendron tomentosum who, Rhododendron tomentosum explanation

There are excerpts from wikipedia on this article and video

Random Posts



The Picts were a tribal confederation of peoples who lived in what is today eastern and northern Sco...
Visual prosthesis

Visual prosthesis

A visual prosthesis, often referred to as a bionic eye, is an experimental visual device intended to...
Mini rugby

Mini rugby

Mini rugby, also known as New Image Rugby, is a form of rugby union designed to introduce the sport ...
List of synthetic polymers

List of synthetic polymers

Synthetic polymers are human-made polymers From the utility point of view they can be classified int...