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corkscrew threeawn
Scientific Name: Aristida gyrans
Family: Poaceae
Category: Monocot
Growth: Graminoid
Duration: Perennial
Other Names:
Corkscrew Threeawn (Aristida gyrans)
Aristida gyrans, commonly known as Corkscrew Threeawn, is a perennial grass found in the southeastern United States.
Considerations for Pets
- This plant produces seeds that are corkscrew-like, which may present a tangling hazard, especially for animals with long fur.
Taxonomy and Nomenclature
- Scientific Name: Aristida gyrans Chapm.
- Common Names: Corkscrew Threeawn, Corkscrew Three-awn Grass
- Family: Poaceae (Grass family)
- Genus: Aristida L.
- Synonyms/Related Names:
- Related ITIS Name: Aristida
Distribution and Habitat
- Natural Range: Southeastern U.S.
- Florida Distribution: Peninsula
- Habitat: Scrub, dry pine woods, dry flatwoods, scrub, dry disturbed sites.
Morphological Characteristics and Growth Habits
- Corkscrew Threeawn is a graminoid, characterized as a perennial, meaning it lives for more than two years.
- Adult specimens are medium in size.
- It remains evergreen throughout the year, assuming a greenwhite coloring in all seasons (spring, summer, autumn, and winter).
Ecological Role
- In some areas, Corkscrew Threeawn recolonizes open areas from seed after other species have died.
Associated Species
- Corkscrew Threeawn is often found in association with other plants such as jeweled blue-eyed grass, whitemouth dayflower, nodding pinweed, coastalplain honeycombhead, pricklypear, coastal sandbur, chalky bluestem, and wiregrass.
Further Information
- Discover Life provides information about the biology, natural history, ecology, identification, and distribution of Aristida gyrans.
- Flora of North America (FNA) also provides information.