Round Sawsedge
Gahnia aspera
- Native to:
- Australia, Cook Is., Fiji, Hawaii, Maluku, New Caledonia, New Guinea, Ogasawara-shoto, Society Is., Tubuai Is., United States, Vanuatu, Wallis-Futuna Is.
iNaturalist: © leithallb (iNaturalist #107005687)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Gahnia
- Species:
- Gahnia aspera
- USDA Symbol:
- GAAS5
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 150 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jan,feb,sep,oct,nov,dec
- Bloom Colors:
- brown
Garden & Ecology Notes
- Wildlife Value:
- birds
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from rhizomes after fire; common in fire-prone Australian sclerophyll communities.
Soil Requirements
- Soil Type:
- moist, well-drained, sandy loam
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- often found in damp, shaded areas