Haspan Flatsedge
Cyperus haspan
- Native to:
- Andaman Is., Angola, Australia, Bangladesh, Belize, Benin, Bismarck Archipelago, Bolivia, Borneo, Botswana, Brazil, Burkina, Burundi, Cambodia, Cameroon, Caroline Is., Central African Republic, Chad, China, Colombia, Comoros, Congo, Costa Rica, Cuba, Dominican Republic, DR Congo, Equatorial Guinea, Ethiopia, French Guiana, Gabon, Gambia, Ghana, Guam, Guatemala, Guinea, Guinea-Bissau, Gulf of Guinea Is., Guyana, Hainan, Honduras, India, Iran, Ivory Coast, Jamaica, Japan, Jawa, Kenya, Korea, Laos, Lesser Sunda Is., Liberia, Madagascar, Malawi, Malaya, Mali, Maluku, Mauritania, Mexico, Mozambique, Myanmar, Nansei-shoto, Nepal, New Guinea, Nicaragua, Nicobar Is., Niger, Nigeria, Pakistan, Palau, Panamá, Paraguay, Peru, Philippines, Puerto Rico, Senegal, Seychelles, Sierra Leone, Solomon Is., Somalia, South Africa, Sri Lanka, Sudan-South Sudan, Sulawesi, Sumatera, Suriname, Taiwan, Tanzania, Thailand, Togo, Trinidad-Tobago, Uganda, United States, Vietnam, Windward Is., Zambia, Zimbabwe
iNaturalist: © botaneek (iNaturalist #155576767)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Cyperus
- Species:
- Cyperus haspan
- USDA Symbol:
- CYHA
Growth Characteristics
- Life Cycle:
- Perennial
- 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, wetland birds
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rich, moist, organic soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in wetlands and marshes
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate readily in wet conditions with warmth and light. Surface sow on consistently moist medium.