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Cape ricegrass
Scientific Name: Achnatherum capense
Family: Poaceae
Category: Monocot
Growth: Graminoid
Duration: Unknown
Other Names:
Cape Ricegrass
Cape Ricegrass, known scientifically as Achnatherum capense, is an annual grass belonging to the Poaceae family. It is also frequently referred to by its synonym, Stipa capensis.
Common Names
- Cape ricegrass
- Mediterranean steppegrass
- Twisted-awned speargrass
Taxonomy and Nomenclature
- Scientific Name: Achnatherum capense (Thunb.) P. Beauv.
- Family: Poaceae (Grass family)
- Synonym: Stipa capensis
- Rank: Species
Distribution and Habitat
Cape Ricegrass is found in various locations, including California and New Mexico, and has even colonized areas along Tahquitz Creek. It is considered non-native in some regions.
Ecological Role
Cape Ricegrass is noted for its invasive tendencies in certain environments. Its presence can impact the flow of rivers and requires active management strategies in some areas.
Morphological Characteristics
- Habit: Graminoid (grass-like)
- Type: Annual grass
Considerations for Pets
As a grass, Cape Ricegrass produces seeds and has sharp edges when dried out. Be aware of the potential for the awns (bristles) to become attached to fur or skin of animals.
Considerations for Children
As a grass, Cape Ricegrass produces seeds and has sharp edges when dried out. Children should be made aware of the need to avoid contact with the mature plant.
Quirky Facts
- The text mentions an initiative by a "Green Army" to combat rice grass, suggesting it can sometimes be considered an undesirable plant in certain ecosystems.
- Cape Ricegrass may benefit from having its roots covered with dry leaves during the winter.
Further Information
- USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.
- Integrated Taxonomic Information System (ITIS)