Javanese Flatsedge
Cyperus javanicus
- Native to:
- Andaman Is., Australia, Bangladesh, Bismarck Archipelago, Borneo, Cambodia, Caroline Is., China, Christmas I., Cocos (Keeling) Is., Cook Is., Fiji, Gilbert Is., Guam, Hainan, India, Jawa, Kazan-retto, Laccadive Is., Lesser Sunda Is., Line Is., Madagascar, Malaya, Maldives, Maluku, Marianas, Marquesas, Marshall Is., Mauritius, Myanmar, Nansei-shoto, Nauru, New Guinea, Nicobar Is., Ogasawara-shoto, Palau, Philippines, Phoenix Is., Pitcairn Is., Réunion, Samoa, Seychelles, Society Is., South China Sea, Sri Lanka, Sulawesi, Sumatera, Taiwan, Thailand, Tokelau-Manihiki, Tonga, Tuamotu, Tubuai Is., U.S. Minor Outlying Islands, United States, Vanuatu, Vietnam, Wallis-Futuna Is.
iNaturalist: © skwang (iNaturalist #58993785)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Cyperus
- Species:
- Cyperus javanicus
- USDA Symbol:
- CYJA
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 150 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep,oct
- Bloom Colors:
- brown, green
Garden & Ecology Notes
- Wildlife Value:
- birds, waterfowl
- Deer Resistant:
- Yes
- Salt Tolerant:
- 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 marshy areas
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate readily in wet conditions with warm temperatures. Surface sow as seeds require light.