grey alder
Học thuậtThân thiện
Definition
Noun: 1. A species of alder tree (Alnus incana): A deciduous tree or large shrub native to Europe and parts of Asia, characterized by its greyish bark and toothed leaves with a greyish underside. It has been introduced to North America.
Usage Examples
- Noun:
- The grey alder is often planted for erosion control along riverbanks.
- You can identify the grey alder by the pale grey color of its young bark.
- Compared to the common alder, the leaves of the grey alder are more sharply toothed.
Advanced Usage
- In botanical or ecological contexts: The term is used precisely to distinguish from other alder species, such as the common alder () or the red alder (). It may be discussed for its nitrogen-fixing abilities and its role in colonizing disturbed soils.
Variants and Related Words
- Speckled alder (Alnus incana subsp. rugosa): A North American subspecies of grey alder, often found in wet habitats.
- Alder (Alnus spp.): The general genus name for this group of trees and shrubs.
- European grey alder: A more specific term sometimes used to denote its native origin.
Synonyms
- Alnus incana (Scientific name)
- Hoary alder (A less common common name)
Related Phrases / Terms
- Grey alder carr: A type of wet woodland or scrub dominated by grey alder trees.
- Grey alder thicket: A dense growth of grey alder shrubs.
Noun
- native to Europe but introduced in America