- Cyperus esculentus is a native perennial, with upright, triangular stems up to 2 ft. (0.61 m) tall and short, scaly rhizomes.
- Leaves are light green, very glossy and grass-like. They are three ranked and taper to a sharp point.
- The inflorescence is a terminal clustered spikelet. Flowers are yellowish to brownish in color.
- The fruits are achenes that seldom mature. Fruits are brown, sessile, and ellipsoid.
- Ecological Threat
- Cyperus esculentus is widespread and varies morphologically. Four varieties are recognized. It can be aggressive, with the tubers persisting even when the plant is pulled up by the roots. Cyperus esculentus can form dense stands especially in disturbed wetlands.
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EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org
State Invasive List - This map identifies those states that list this species on their invasive species list. For more information, visit Invasive.org
Most Troublesome / Most Common Agricultural Weed List
This map identifies those states that consider this species either most troublesome or most common in at least one commodity. For more information, visit the MTMC project page.
|No Data for this state|
|Troublesome or Common weed in one or more crops|
Invasive Listing Sources
- California Noxious Weeds
- Colorado Noxious Weeds
- Faith Campbell, 1998
- Michigan Noxious Weeds
- Nonnative Invasive Species in Southern Forest and Grassland Ecosystems
- Oregon Noxious Weeds
- Pacific Northwest Exotic Pest Plant Council, 1998
- Washington Noxious Weeds
- WeedUS - Database of Plants Invading Natural Areas in the United States
Other System LinksPlants: CYES
NPDN Pest: PBMADBI
NPDN Host: 14033
CategoriesCategory: Grass or Grasslike
|Common Name Reference:|| USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.|
|Scientific Name Reference:||USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.|