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Aristida stricta: Pineland Threeawn (Wiregrass)

Aristida stricta, commonly known as pineland threeawn or wiregrass, is a perennial bunch grass native to the United States.

Common Names

• Pineland Threeawn
• Wiregrass
• Bottlebrush Threeawn

Taxonomy and Nomenclature

• Scientific Name: Aristida stricta Michx.
• Genus: Aristida L. (threeawn, annual threeawn, perennial threeawn)
• Family: Poaceae (Grass Family)
• Note: Formerly classified as Aristida beyrichiana.

Distribution and Habitat

• Found in the southeastern United States, from North Carolina to Florida.
• Prefers fast-draining sandy soils of pinelands.
• Tolerates seasonal flooding.

Morphological Characteristics and Growth Habits

• A cool-season, perennial bunch grass.
• Typically grows to a height of 1 1/2 to 2 1/2 feet (approximately 45-75 cm), reaching 2-3 feet (60-90 cm) when flowering.
• Known for its wiry texture, which contributes to the common name "wiregrass."
• Has green foliage and green flowers.

Ecological Role

• Important forage species, especially in early spring when cattle graze on it.
• Becomes unpalatable during May and June as it becomes wiry.
• Its presence and abundance are significantly affected by fire frequency and management practices such as burning and mowing.

Interactions with Other Organisms

• Cattle graze on it in early spring.
• Often found in areas also populated by saw-palmetto, bluestem grasses, and Curtiss dropseed.

Considerations for Pets

• The grass can become wiry and unpalatable.
• It can be found in grazing areas.

Quirky Facts

• The common name "wiregrass" led to the naming of the Wiregrass Region.
• Pineland threeawn has been suggested for use in border plantings for landscaping and decorative purposes.

Further Information

• Discover Life: Provides information on the biology, natural history, ecology, identification, and distribution of Aristida stricta.
• USDA-NRCS PLANTS Database: Contains images and information, including photos by Robert H. Mohlenbrock and Karan A. Rawlins.