This aquatic or wetland plant is rather showy when growing in colonies. The genus name is from the Greek poly ("many") and gona ("knee" or "joint"), as is the family name, and refers to the thickened joints of the stem where a sheath often surrounds the stem at the leaf axil.

Plant Characteristics
Duration: Perennial
Habit: Herb
Leaf: Green

Bloom Information
Bloom Color: Yellow
Bloom Time: Jun , Jul , Aug , Sep

Growing Conditions
Water Use: High
Light Requirement: Sun
CaCO3 Tolerance: Medium