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contracted ricegrass
Scientific Name: Achnatherum contractum
Family: Poaceae
Category: Monocot
Growth: Graminoid
Duration: Perennial
Other Names:
Achnatherum contractum - Contracted Ricegrass
This page provides information about Achnatherum contractum, commonly known as contracted ricegrass.
Common Names
- Contracted Ricegrass (U.S. and English)
- Contracted Indian Ricegrass
Taxonomy and Nomenclature
- Scientific Name: Achnatherum contractum (B.L. Johnson) Barkworth
- Family: Poaceae (Grass Family)
- Synonyms:
- Oryzopsis contracta (B.L. Johnson) Schlechter
- Oryzopsis hymenoides var. contracta B.L. Johnson
Morphology and Growth Habit
- Contracted ricegrass is a tufted perennial.
- Stems are glabrous (smooth) and typically 30-64 cm (12-28 in) tall.
- The inflorescence is a panicle with branches that are initially contracted.
- Graminoid growth habit.
Distribution and Habitat
- Found in the United States, including New Mexico and Montana.
- Prefers areas with a Mediterranean climate, allowing it to be grown outdoors.
- Sometimes found along disturbed roadsides, especially where selenium-rich soils are exposed.
Considerations for Pets
- Given its graminoid growth habit, Achnatherum contractum is a grass. Grasses in general may be tempting for pets to graze on.
Growing Conditions
- Can tolerate minimum temperatures a few degrees below zero.
- Suitable for outdoor cultivation during Spring in appropriate climates.