green alder

Thân thiện

A green alder grows beside a clear mountain stream.

Definition

1. Noun:
   • A type of shrub belonging to the alder family. This term refers specifically to two distinct species:

     • Alnus viridis: A shrub native to mountainous regions of Europe and parts of Asia.
     • Alnus crispa: A shrub native to North America, characterized by its light green leaves and seeds enclosed in small, wing-like structures (winged nuts).

Examples of Usage

• Noun:
  • The green alder forms dense thickets on the alpine slopes.
  • We identified a green alder by its distinctive light green, serrated leaves.
  • Botanists study the nitrogen-fixing properties of the green alder.

Advanced Usage

• The term green alder is primarily used in botanical, ecological, and horticultural contexts to specify these particular shrub species within the broader alder genus ().

Variants and Related Words

• Alder (n): The general term for trees and shrubs in the genus .
• Mountain alder (n): A common name sometimes used interchangeably with (the North American green alder).

Synonyms

• (for the European species)
• (for the North American species)
• Mountain alder (context-dependent)

Related Phrases / Terms

• Nitrogen-fixing shrub: A descriptive phrase highlighting an ecological function of the green alder, as it hosts bacteria that convert atmospheric nitrogen into a usable form for plants.

Học thuật

Noun

1. shrub of mountainous areas of Europe
2. North American shrub with light green leaves and winged nuts

Từ đồng nghĩa

• Alnus veridis
• Alnus veridis crispa
• Alnus crispa