Variable Flatsedge
Cyperus difformis
- Native to:
- Afghanistan, Albania, Andaman Is., Angola, Australia, Azores, Bangladesh, Benin, Botswana, Bulgaria, Burkina, Burundi, Cameroon, Caprivi Strip, Central African Republic, Chad, China, Comoros, Congo, Cook Is., Corse, DR Congo, Equatorial Guinea, Eswatini, Ethiopia, France, Gabon, Gambia, Ghana, Greece, Guam, Guinea, Guinea-Bissau, Gulf of Guinea Is., Hainan, India, Iran, Iraq, Italy, Ivory Coast, Japan, Jawa, Kazakhstan, Kazan-retto, Kenya, Kirgizstan, Korea, Kriti, Lebanon-Syria, Lesotho, Lesser Sunda Is., Liberia, Madagascar, Malawi, Malaya, Mali, Marianas, Mauritania, Mauritius, Mozambique, Myanmar, Namibia, Nansei-shoto, Nepal, New Guinea, Nicobar Is., Niger, Nigeria, Norfolk Is., NW. Balkan Pen., Ogasawara-shoto, Oman, Pakistan, Palau, Palestine, Philippines, Portugal, Réunion, Romania, Russia, Rwanda, Senegal, Seychelles, Sicilia, Sierra Leone, Socotra, Somalia, South Africa, Spain, Sri Lanka, Sudan-South Sudan, Sulawesi, Sumatera, Tadzhikistan, Taiwan, Tanzania, Thailand, Togo, Tokelau-Manihiki, Transc
iNaturalist: © joaotiagotavares (iNaturalist #182729087)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Cyperus
- Species:
- Cyperus difformis
- USDA Symbol:
- CYDI4
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Graminoid
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jul,aug,sep,oct
- Bloom Colors:
- green, brown
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, shorebirds
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- fertile, waterlogged, clay-rich soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in rice paddies and wetlands
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 7–21 days
- Notes:
- Seeds germinate readily in warm, moist conditions with light exposure. Requires flooded or saturated soil for optimal germination.