No images found for this plant ID: 13046.
Ensure images are uploaded to the Media Library and tagged with "13046" in the "plant_image_tag" taxonomy.
Asian flatsedge
Scientific Name: Cyperus amuricus
Family: Cyperaceae
Category: Monocot
Growth: Graminoid
Duration: Annual
Other Names:
Asian Flatsedge (Cyperus amuricus and Cyperus microiria)
Asian flatsedge refers to several species within the Cyperus genus. This includes Cyperus amuricus and Cyperus microiria. It's important to note that the scientific nomenclature can be complex, with some sources treating these as distinct species and others using them synonymously.
Taxonomy and Nomenclature
- Domain: Eukaryota
- Kingdom: Plantae
- Taxonomic Rank: Species
- Synonyms: Cyperus microiria Steud. is sometimes used as a synonym for Cyperus amuricus.
- Other Common Names: Amur Flatsedge, Rice Flat Sedge, Ricefield Flatsedge, Grasshopper's Cyperus
- USDA PLANTS Symbol: CYAM2 (for Cyperus amuricus), CYMI4 (for Cyperus microiria)
Distribution and Habitat
- Native to East Africa and central Asia through India to China.
- Also found in Europe, cooler Asian climates, the Indian subcontinent and North Africa.
- Variable flatsedge is native to the tropics of the Old World and Australia and naturalized in other areas of the world.
- The species is spreading well outside its native range.
- Increasingly found in flora regions.
Ecological Role
- Considered an exotic and naturalized species in some regions (e.g., Oregon).
- Can be an important and widespread weed in rice production, particularly in South and Southeast Asia where herbicides are not used.
Quirky Facts
- In Asian rice production where herbicides are not used, this weed may thrive.
Resources
- USDA PLANTS Database
- Invasive Plant Atlas
- Discover Life
- NCBI Taxonomy
- EDDMapS
- Oregon Flora Project
- ARKive (Smooth Flatsedge)