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

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