common alder
Definition
- Noun:
- A medium-sized tree species: "Common alder" refers specifically to Alnus glutinosa, a deciduous tree native to Europe, southwest Asia, and northern Africa. It is characterized by its dark, fissured bark and its preference for moist or wet habitats like riverbanks.
- Botanical description: The tree produces woody, cone-like fruiting structures called catkins. Its leaves are broadly rounded, often notched at the tip, and have a distinctive hairy texture on the underside.
Usage Examples
- Noun:
- The common alder is often planted to stabilize riverbanks and prevent erosion.
- We identified the tree by its rounded leaves and the woody catkins; it was a common alder.
Advanced Usage
- Ecological role: The common alder plays a crucial role in wetland ecosystems. Its roots host nitrogen-fixing bacteria, which enrich the soil.
- The common alder improves soil fertility through its symbiotic relationship with bacteria.
Variants and Related Words
- Black alder: Another common name for , referring to the dark color of its bark.
- European alder: A name emphasizing its primary geographical range.
- Alder (Alnus): The broader genus name, which includes other species like the red alder () or grey alder ().
Synonyms
- Alnus glutinosa: The formal, scientific binomial name for the common alder.
- Black alder: A direct synonym in common usage.
Related Phrases
- Alder carr: A type of wetland woodland dominated by alder trees, often common alder.
- The nature reserve contains a valuable alder carr habitat.
Noun
-
medium-sized tree with brown-black bark and woody fruiting catkins; leaves are hairy beneath
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