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single threeawn
Scientific Name: Aristida schiedeana
Family: Poaceae
Category: Monocot
Growth: Graminoid
Duration: Perennial
Other Names:
Aristida schiedeana
Aristida schiedeana, commonly known as Single Threeawn, is a graminoid belonging to the genus Aristida.
Considerations for Pets
- This plant is a grass, and the awned lemmas can be blown about by the wind.
Considerations for Children
- This plant is a grass, and the awned lemmas can be blown about by the wind.
Taxonomy and Nomenclature
- Scientific Name: Aristida schiedeana Trin. & Rupr.
- Family: Poaceae (Grass Family)
- Genus: Aristida L.
- Common Names: Single Threeawn
- Synonyms/Varieties: Aristida schiedeana var. orcuttiana
Distribution and Habitat
- Found in areas such as Santa Cruz County, Arizona, specifically near Bland Mine Road, Unit 3, Salero Ranch.
- Also mentioned in relation to Houston, TX and San Angelo, TX based on property location references.
Ecological Role
- Described as a pioneer of secondary successional areas.
- Can sometimes take over and establish a single-species stand.
Morphological Characteristics and Growth Habits
- Perennial: capable of growing year after year.
- Cespitose: grows in tufts or clumps.
- Culms (stems) are 30-120 cm tall, erect, and unbranched.
- Leaves are basal and cauline (growing on the stem), pale green, and sometimes glaucous (having a whitish or bluish waxy covering).
- Sheaths are longer.
- Each spikelet produces a single grain.
Associations
- The plant is related to purple three-awn (Aristida purpurea).
- It can be found growing with grama, Roemer three-awn, buffalograss, little bluestem, pear, Pan American balsamscale, and hooded windmillgrass.
Further Information
- Discover Life offers a page about the biology, natural history, ecology, identification, and distribution of Aristida schiedeana.