Three way sedge
Dulichium arundinaceum · Aquatic plants
Whole plant · Photo: Patrice Dupont / CC BY
Also called Dulichium, Threeway sedge
How to identify Three way sedge
- Round hollow stems with leaves in three distinct ranks
- Stems 1 to 3 feet
- Small flat spikelets in the leaf angles
- Rhizomes
Similar plants
Sedges have triangular stems and spikes at the top; grasses have two ranked leaves.
Growth profile
| Growing season | Grows from late spring, flowers July to September and dies back in fall. |
|---|---|
| Starts growing | About 50 F water |
| Light | Full sun |
| Depth | Moist shoreline to about 1 foot of water |
| How it spreads | Rhizomes and seeds |
| Habitat | Pond and lake margins, bogs and marshes, often in acidic water. |
Why it matters in a lake
Can form dense stands along pond edges.
Where it is found
- Idaho: Rare
- Oregon: Occasional
- Wyoming: Not recorded
Classification
| Kingdom | Plantae |
|---|---|
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Poales |
| Family | Cyperaceae |
| Scientific name | Dulichium arundinaceum |
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Baltic rushNeed a hand?
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