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southern flatsedge
Scientific Name: Cyperus thyrsiflorus
Family: Cyperaceae
Category: Monocot
Growth: Graminoid
Duration: Perennial
Other Names:
Cyperus thyrsiflorus (Southern Flatsedge)
Cyperus thyrsiflorus, commonly known as Southern Flatsedge, is a perennial plant belonging to the Cyperaceae family.
Taxonomy and Nomenclature
- Scientific Name: Cyperus thyrsiflorus Jungh.
- Family: Cyperaceae
- Kingdom: Plantae
- Taxonomic Rank: Species
- Synonym: Cyperus dissitiflorus Nees ex Torr.
Distribution and Habitat
This plant is native to southern Europe, most of Africa and Asia, and Australia. It has also naturalized in other areas of the world. In the USA, it is found in areas like southern Virginia, southwestern Texas, and the central and southern peninsula of Florida. It can be found in wet, disturbed sites. It is also present in Southern Qatar, Southern China and Coastal Massachusetts, on Long Island, New York.
Morphological Characteristics and Growth Habits
- Duration: Perennial
- Growth Habit: Graminoid
- Southern Flatsedge remains green during spring, summer, autumn, and winter, indicating it is an evergreen plant.
Interactions with Other Organisms
- Rice flatsedge (Cyperus iria) can be a host for the rice nematode Criconemella onoensis in the southern USA. Complete control of the weed is necessary to manage the nematode.
Additional Information
Care instructions for growing Southern Flatsedge (Cyperus thyrsiflorus) can be found with real gardeners' advice.
Resources
- The South African National Biodiversity Institute's southern African Species Dictionary
- Dave's Garden
- Plants of SIUE (Southern Illinois University Edwardsville)