Plantae > Tracheophyta > Magnoliopsida > Ericales > Ericaceae > Rhododendron > Rhododendron tomentosum

Rhododendron tomentosum (marsh Labrador tea)

Synonyms:

Wikipedia Abstract

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.
View Wikipedia Record: Rhododendron tomentosum

Infraspecies

Rhododendron tomentosum decumbens (Marsh Labrador tea)
Rhododendron tomentosum tomentosum

Attributes

Allergen Potential [1]  Medium
Bloom Period [2]  Summer
Drought Tolerance [2]  None
Edible [3]  May be edible. See the Plants For A Future link below for details.
Flower Type [3]  Hermaphrodite
Frost Free Days [2]  4 months
Fruit/Seed Begin [2]  Summer
Fruit/Seed End [2]  Summer
Growth Period [2]  Spring
Hazards [3]  Plants contain a narcotic toxin called Ledel. This toxin only causes problems if the leaves are cooked for a long period in a closed container;
Leaf Type [3]  Evergreen
Lifespan [2]  Perennial
Pollinators [3]  Bees
Propagation [2]  Container
Root Depth [2]  12 inches (30 cm)
Scent [3]  The leaves are very aromatic. When crushed, they smell strongly of hops.
Shape/Orientation [2]  Erect
Structure [3]  Shrub
Usage [3]  The leaves are hung up in the clothes cupboard in order to repel insects; The branches are also placed among grain in order to keep mice away; A strong decoction of the leaves is used to kill lice and insects; The leaves contain tannin;
Fall Conspicuous [2]  Yes
Height [3]  39 inches (1 m)
Hardiness Zone Minimum [2]  USDA Zone: 0 Low Temperature: -65 F° (-53.9 C°) → -60 F° (-51.1 C°)
Light Preference [4]  Mixed Sun/Shade
Soil Acidity [4]  Very Acid
Soil Fertility [4]  Infertile
Soil Moisture [4]  Wet
Fruit Color [2]  Brown
View Plants For A Future Record : Rhododendron tomentosum

Protected Areas

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Predators

Providers

Pollinated by 
Delia platura (seedcorn maggot)[7]

External References

USDA Plant Profile

Citations

Attributes / relations provided by
♦ 1Derived from Allergy-Free Gardening OPALS™, Thomas Leo Ogren (2000)
♦ 2USDA Plants Database, U. S. Department of Agriculture
♦ 3Plants For A Future licensed under a Creative Commons Attribution 4.0 License
♦ 4Ellenberg, H., Weber, H.E., Dull, R., Wirth, V., Werner, W., Paulissen, D. (1991) Zeigerwerte von Pflanzen in Mitteleuropa. Scripta Geobotanica 18, 1–248
♦ 5Food eaten by the free-living European bison in Białowieża Forest, Zofia GĘBCZYŃSKA, Marek GĘBCZYŃSKI and Ewa MARTYNOWICZ, Acta Theriologica 36 (3-4), 307-313, 1991.
♦ 6Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P. ScaleNet 4 November 2009
♦ 7Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 8HOSTS - a Database of the World's Lepidopteran Hostplants Gaden S. Robinson, Phillip R. Ackery, Ian J. Kitching, George W. Beccaloni AND Luis M. Hernández
♦ 9Ochotona collaris, Stephen O. MacDonald and Clyde Jones, MAMMALIAN SPECIES No. 281, pp. 1-4 (1987)
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0