alnus
Definition
- Noun:
- A genus of trees and shrubs: "Alnus" is the scientific genus name for a group of deciduous trees and shrubs commonly known as alders.
- A type of plant: It refers specifically to plants belonging to the birch family (Betulaceae), typically found in moist habitats in temperate regions of the Northern Hemisphere.
Usage Examples
- Noun:
- The stream was lined with Alnus glutinosa. (The stream was lined with common alder trees.)
- Alnus is an important genus for soil improvement. (Alder is an important genus for soil improvement.)
Advanced Usage
- In botanical/ecological contexts: Used in scientific writing to discuss species, habitat, or symbiotic relationships (e.g., with nitrogen-fixing bacteria).
- The study focused on the nitrogen-fixing root nodules of Alnus.
- In horticulture/forestry: Used when specifying types of trees for planting or conservation.
- Alnus rubra is a valuable species for timber in the Pacific Northwest.
Variants and Related Words
- Alder (n): The common name for trees and shrubs of the genus .
- The alder's catkins appear in early spring.
- Alnus glutinosa (n): The scientific name for the common or black alder.
- Alnus incana (n): The scientific name for the grey or speckled alder.
Synonyms
- Alder tree: The common term for a tree of this genus.
- Alder shrub: Refers to the smaller, shrubby species within the genus.
Related Terms
- Betulaceae (n): The birch family, to which the genus belongs.
- Nitrogen-fixing (adj): A key ecological characteristic of , describing its ability to enrich soil.
Noun
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alders
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