Definition

Noun 1. A species of alder tree: A medium-sized deciduous tree native to Europe, southwest Asia, and northern Africa, known for its dark bark, sticky young shoots, and rounded leaves that are hairy on the underside. It is commonly found in wet ground and along riverbanks. * Scientific classification: The species name Alnus glutinosa belongs to the family Betulaceae.

Usage Examples

• Noun:
  • The riverbank was stabilized by the roots of the Alnus glutinosa. (The riverbank was stabilized by the roots of the common alder.)
  • Conservationists planted Alnus glutinosa to help prevent soil erosion in the wetland. (Conservationists planted common alder to help prevent soil erosion in the wetland.)
  • The damp woodland was dominated by Alnus glutinosa. (The damp woodland was dominated by common alder.)

Advanced Usage

• In botanical and ecological contexts: The term is used precisely to identify this specific species, distinguishing it from other alders (e.g., , the grey alder). It is often discussed for its ecological role in nitrogen fixation and its preference for riparian (riverside) habitats.
  • The study focused on the nitrogen-fixing bacteria associated with Alnus glutinosa. (The study focused on the nitrogen-fixing bacteria associated with the common alder.)

Variants and Related Words

• Common alder (n): The standard English common name for .
• European alder (n): Another common name emphasizing its primary geographical distribution.
• Black alder (n): A common name sometimes used, referring to the dark color of its bark.
• Alder (n): The general term for trees in the genus , which includes .

Synonyms

• Common alder
• European alder
• Black alder

Related Terms (Not Synonyms)

• Alder carr (n): A type of wetland forest or woodland dominated by alder trees, often specifically .
• Catkin (n): A type of flower cluster. produces woody fruiting catkins.
• Deciduous (adj): A tree that sheds its leaves annually, like .

Noun

1. medium-sized tree with brown-black bark and woody fruiting catkins; leaves are hairy beneath