Two plants of the Arum family: left, arrow arum (Peltandra virginica); right, water arum (Calla palustris).
Calla palustris is an aquatic plant. This plant grows six inches tall.
The common name of calla palustris is water arum. It is a perennial, aquatic plant.
"Calla palustris; 1. a flower; 2. a section of the ovary; 3. a perpendicular section of the ripe fruit;…