Habitat:

Marshes, streams, ponds, and lakeshores

Location relative to Water:

Rooted underwater, emergent body

Stems:

• 100-300 cm long (39-118 inches)
• Green
• Smooth
• Round

Leaves:

• 4-5 basal leaves forming sheaths around stem
• Upper leaves 7 cm long (3 inches)

Fruit:

• Brown to black achene
• Flat on one side, convex on other
• 0.2 cm long (0.1 inches)

Flowers:

• Inflorescence emerges from side of stem
• Grow in cone-shaped clusters
• Red-brown