Alnus rubra
Alnus rubra · Accepted scientific name
Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆
Alnus rubra, commonly known as the red alder, is a versatile plant species recognized for its significant pharmacological potential. Various parts of the plant, particularly the bark, serve as the primary source for medicinal applications. Through traditional preparations such as decoctions and infusions, practitioners harness its diverse biological activities. Research indicates that it possesses notable anti-HIV and anticarcinomic properties that warrant further investigation. Additionally, the plant exhibits effective antifeedant and antiflu characteristics, making it a valuable subject in ethnobotanical studies.
- Synonyms
- Alnus Incana Var. Rubra · Alnus Oregana · 2 more
- Common names
- Not available
- Family
- Betulaceae
- Distribution
- Not available
- Plant Parts
- Not available
Classification
Common Names
Alnus rubra is a versatile species known by a variety of names across different languages and regions. In English-speaking areas, it is most frequently referred to as the Red Alder or the Oregon alder. Its identity shifts slightly in Welsh, where it is recognized as both Gwern Coch and Gwernen Goch. Meanwhile, those speaking French may identify the plant as the aulne rouge. This diversity of nomenclature highlights the widespread botanical presence and cultural recognition of this distinctive tree.
Sources: Catalogue of Life (COL)
Synonyms
Alnus rubra is a species known by several different botanical names throughout scientific literature. It is frequently identified by its synonyms, such as Alnus incana var. rubra and Alnus oregana. Taxonomists have also categorized specific variations under the names Alnus rubra f. pinnatisecta and Alnus rubra var. pinnatisecta. These overlapping designations reflect the complex historical classification of the plant. Understanding these relationships is essential for accurate botanical identification and study.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Alnus rubra is a distinctive species belonging to the kingdom Plantae. Within this vast biological kingdom, it is classified under the class Equisetopsida. The plant further belongs to the order Fagales, showcasing its evolutionary connections to other woody species. It is a member of the genus Alnus, which helps define its specific botanical characteristics. Finally, its taxonomic journey concludes within the family Betulaceae, placing it among the birch family.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Fagales |
| Family | Betulaceae |
| Genus | Alnus |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Alnus rubra exhibits a broad geographical footprint that spans across both Europe and North America. In the European landscape, this species is notably distributed throughout Great Britain and Northern Europe. Its presence in North America is particularly concentrated within the Pacific Northwest, specifically throughout the states of Oregon and Washington. The distribution further extends inland to include significant populations in Idaho and Montana. Consequently, this plant maintains a diverse range that connects distant continental ecosystems.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Alnus rubra is a self-supporting tree that establishes a robust presence within its natural habitat. This species can achieve a significant stature, reaching a maximum height of 33.6 meters. Its impressive growth form allows it to stand tall as a prominent feature of the forest canopy.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Compounds
Conditions
Alnus rubra possesses significant medicinal properties that have been utilized by Pacific West Coast Native Americans for thousands of years. The catkins of this species demonstrate notable antifungal activity against various fungal species. Additionally, bark preparations of the plant are used to treat various digestive tract ailments. These diverse therapeutic uses are largely attributed to the tree's bioactive plant phenol metabolites. Through these biochemical pathways, Alnus rubra serves as a versatile resource for treating both fungal infections and internal digestive issues.
Preparations
Alnus rubra is utilized by Salishan native elders as a medicinal bark preparation. Specifically, the bark of this species is used to treat ailments of the digestive tract. To prepare these medicines, the bark is commonly processed into infusions. Additionally, the plant is prepared as decoctions for therapeutic use. These liquid preparations are then either drunk or applied externally as a wash.