papyrus, paper reed
Cyperus papyrus

Hardiness: Zones 9 and 10
Plant type: Sedge, can be grown as an annual
Height: 5- 8ft
Spread: 2- 4ft
Sun: Full sun to part shade
Water: Wet
Bloom time: July to September
Bloom color: Greenish brown
Soil: Prefers wet, boggy soil, adaptable 

More information on this plant here.