betula pubescens
Học thuậtThân thiện
Definition
Noun: * A species of deciduous tree native to Europe and parts of Asia, commonly known as the downy birch or white birch. It is characterized by its bark, which is dull white to pale brown and often becomes rugged with age, and its branches, which are somewhat drooping and covered in fine hairs when young.
Usage Examples
- Noun:
- Betula pubescens is a hardy tree that thrives in wetter soils than its relative, the silver birch.
- The forest was primarily composed of Betula pubescens and Scots pine.
- You can identify Betula pubescens by its hairy twigs and more triangular leaves.
Advanced Usage
- In Botanical/Scientific Context: The name is used in its full binomial form () to specify the exact species within the genus (birches). This precision is critical in scientific writing, ecology, and forestry.
- The study compared the growth rates of Betula pendula and Betula pubescens in peatland environments.
Variants and Related Words
- Common Name: Downy birch, white birch, moor birch.
- Genus: (the birch genus).
- Related Species: (silver birch), (dwarf birch).
Synonyms
- Downy birch
- White birch
- Moor birch
- Hairy birch
Notes on Meaning
- The primary meaning is taxonomic, referring to a specific biological species. Its common names describe its physical characteristics: "downy" or "hairy" refers to the fine hairs on its twigs and leaf stalks, and "white" refers to its bark color.
Noun
- European birch with dull white to pale brown bark and somewhat drooping hairy branches