black cottonwood
Học thuậtThân thiện
Definition
Noun: 1. A species of poplar tree native to western North America: A large, fast-growing deciduous tree (Populus trichocarpa) characterized by its dark green, shiny leaves that are often silvery or rusty-colored on the underside, and its brownish bark and wood.
Usage and Examples
- As a subject: " is one of the tallest broadleaf trees in North America."
- As an object: "Ecologists are studying for its rapid growth and potential use in biofuel production."
- With modifiers: "We rested in the shade of a massive, ancient ."
Advanced Usage
- In botanical or ecological contexts: The term is used precisely to refer to this specific species, distinguishing it from other cottonwoods like the Eastern cottonwood ().
- Example: "The riparian zone is dominated by black cottonwood and red alder."
Variants and Related Words
- Western balsam-poplar: Another common name for the same tree species ().
- Cottonwood (general): A common name for various trees in the genus , which produce seeds with cotton-like fibers. is a specific type of cottonwood.
Synonyms
- Western balsam-poplar
- (scientific name)
Notes on Meaning
- The name "black" likely refers to the dark color of the furrowed bark on mature trees, not the leaves.
- It is not typically used in idiomatic expressions or phrasal verbs, as it is a specific botanical term.
Noun
- cottonwood of western North America with dark green leaves shining above and rusty or silvery beneath
- North American poplar with large rounded scalloped leaves and brownish bark and wood