Sharpscale Flatsedge
Cyperus oxylepis
- Native to:
- Argentina, Aruba, Brazil, Colombia, Guatemala, Guyana, Honduras, Jamaica, Leeward Is., Mexico, Netherlands Antilles, Nicaragua, Paraguay, Peru, United States, Venezuelan Antilles
iNaturalist: © az_loren (iNaturalist #84376923)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Cyperus
- Species:
- Cyperus oxylepis
- USDA Symbol:
- CYOX
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 90 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep,oct
- Bloom Colors:
- brown, green
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, shorebirds
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from rhizomes following fire. Wetland sedges often experience fire during drought periods.
Soil Requirements
- Soil Type:
- moist, nutrient-rich clay or loam
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in wetlands and marshy areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate best with consistent moisture and warm temperatures. Light may improve germination rates.