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Curtis' threeawn
Scientific Name: Aristida dichotoma var. curtissii
Family: Poaceae
Category: Monocot
Growth: Graminoid
Duration: Annual
Other Names:
Curtis' Threeawn (Aristida dichotoma var. curtissii)
Curtis' Threeawn, scientifically known as Aristida dichotoma Michx. var. curtissii A. Gray (also referenced as Aristida dichotoma Michx. var. curtissii Gray ex S. Wats. & Coult. and Aristida curtissii (Gray ex S. Wats. & Coult.) Nash), is a type of grass belonging to the Poaceae family. It is also commonly known as Churchmouse Threeawn.
Taxonomy and Nomenclature
- Scientific Name: Aristida dichotoma Michx. var. curtissii A. Gray
- Common Names: Curtis' Threeawn, Churchmouse Threeawn
- Family: Poaceae (Grass Family)
- Kingdom: Plantae
- Rank: Variety
- Synonyms: Aristida curtissii (Gray ex S. Wats. & Coult.) Nash, Aristida dichotoma Michx. var. curtissii Gray ex S. Wats. & Coult.
Distribution and Habitat
Based on data collected by John T. Curtis (1959), Curtis' Threeawn is found in sand barrens.
It has been found in Maryland, specifically in Prince Georges County, in locations such as Beltsville and College Park. It is also mentioned as being found in mesic soils in ponderosa forests north and south of US 14 in the Black Hills.
Morphological Characteristics and Growth Habits
- Duration: Annual
- Growth Habit: Graminoid (grass-like)
Interactions with Other Organisms
It grows alongside rough bentgrass, little barley, and starved in quartzite areas.
Further Information
- USDA-NRCS PLANTS Database
- portail-jardin.com plant database
- Encyclopedia of Life (for related Aristida oligantha - Prairie Threeawn)