downy chess
Học thuậtThân thiện
Definition
Noun: - A type of annual or winter annual grass, characterized by softly hairy leaves, native to the Mediterranean region. It is a species of brome grass.
Usage
- The term "downy chess" is used specifically in botanical and ecological contexts to identify this particular grass species. It is a common name, with the scientific name often used for precise identification.
Examples
- Noun:
- The field was overrun with downy chess, its soft, hairy leaves waving in the wind.
- Botanists study the invasive potential of downy chess in non-native ecosystems.
Advanced Usage
- As an invasive species: In regions outside the Mediterranean, "downy chess" (Bromus tectorum) is often discussed as an invasive weed that can dominate landscapes and increase fire risk.
- The spread of downy chess has altered the fire regime in many western North American grasslands.
Variants and Related Words
- Downy brome: A more common synonym for "downy chess."
- Cheatgrass: Another common name for the same species (), frequently used in North America.
- Bromus tectorum: The scientific Latin name.
Synonyms
- Downy brome
- Cheatgrass
- Drooping brome
Notes on Meaning
- "Downy chess" refers exclusively to the plant species . The word "chess" in this context is an old or regional term for a type of brome grass and is not related to the board game. The adjective "downy" describes the soft, hair-covered texture of its leaves and stems.
Noun
- annual or winter annual grass with softly hairy leaves of the Mediterranean