Roadside Flatsedge
Cyperus sphacelatus
- Native to:
- Angola, Benin, Bolivia, Brazil, Burkina, Burundi, Cameroon, Central African Republic, Central American Pacific Is., Colombia, Congo, Costa Rica, Cuba, Dominican Republic, DR Congo, Equatorial Guinea, French Guiana, Gabon, Ghana, Guam, Guinea, Guinea-Bissau, Gulf of Guinea Is., Guyana, Haiti, Honduras, Ivory Coast, Jamaica, Leeward Is., Liberia, Madagascar, Mali, Mauritania, Mozambique, Nicaragua, Nigeria, Palau, Panamá, Peru, Puerto Rico, Senegal, Sierra Leone, Suriname, Tanzania, Togo, Trinidad-Tobago, Uganda, United States, Virgin Islands, Windward Is., Zambia
iNaturalist: © doggy0406 (iNaturalist #59855910)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Cyperus
- Species:
- Cyperus sphacelatus
- USDA Symbol:
- CYSP3
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Graminoid
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep,oct
- Bloom Colors:
- brown, green
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, songbirds
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from rhizomes after fire; typical of wetland sedges that recover quickly post-burn.
Soil Requirements
- Soil Type:
- moist, nutrient-rich, loamy soil
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate readily in moist to wet conditions with warm temperatures. Light may enhance germination.