Oneflower Beaksedge
Rhynchospora biflora
- Native to:
- Brazil, Colombia, Cuba, Dominican Republic, Haiti, Jamaica, Puerto Rico, United States
US National Herbarium, Department of Botany, NMNH, Smithsonian Institution






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Rhynchospora
- Species:
- Rhynchospora biflora
- USDA Symbol:
- RHUN
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul,aug,sep
- Bloom Colors:
- white, brown
Garden & Ecology Notes
- Wildlife Value:
- birds, waterfowl
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from rhizomes following fire; common in fire-maintained wet pine savannas and pitcher plant bogs.
Soil Requirements
- Soil Type:
- poor, sandy, well-drained
- pH:
- 4.5 - 6.5 (acidic to slightly acidic)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- commonly found in wetland areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds germinate best with moist, cool conditions; requires consistent moisture throughout germination period.