Definition

Noun 1. A type of annual or winter annual grass: A grass species, originally from the Mediterranean region, characterized by its softly hairy leaves. It is known for completing its life cycle within one year or germinating in autumn and maturing by early summer. 2. An invasive weed: Commonly refers to Bromus tectorum, a problematic, fast-growing grass that invades ecosystems, particularly in North America, where it dries out quickly and becomes a significant fire hazard.

Usage Examples

• The dry foothills were covered in cheatgrass, turning the landscape a golden brown.
• Ranchers consider cheatgrass a nuisance because it outcompetes native forage plants.
• The spread of cheatgrass has altered the fire regime in many western ecosystems.

Advanced Usage

• Ecological Impact: In scientific and environmental contexts, "cheatgrass" is often discussed for its role in creating a "cheatgrass-fire cycle" where it invades, dries, fuels frequent fires, and then re-establishes more densely after burning, excluding native species.
• As a Modifier: The term can be used attributively (like an adjective) to describe related concepts.
  • Example: The area was dominated by a cheatgrass monoculture.

Variants and Related Words

• Downy brome: Another common name for the same species ().
• Drooping brome: A less common synonym.
• Bromus tectorum: The formal botanical/Latin name.

Synonyms

• Downy brome (n)
• Drooping brome (n)
• June grass (n) (regional, but can refer to other species)

Related Phrases and Terms

• Cheatgrass-fueled fire: A fire whose spread and intensity are primarily driven by dry cheatgrass.
• Cheatgrass invasion: The process by which cheatgrass spreads and dominates a plant community.

Noun

1. annual or winter annual grass with softly hairy leaves of the Mediterranean