Water Primrose

Scientific Name: Ludwigia peploides 

Distinguishing Characteristics:
Leaves arranged alternately around thick, hollow stem that is green to red; leaves can have many different shapes, but often oval or club-shaped.
Flowers yellow, often having 5 petals.
Rooted along shoreline, but forms floating mat. Often has semi-erect stems and runners creeping away from the shore. The leaves on runners are often maroon in color usually, shorter and rounder, and lay flat on the surface.

Ludwigia peploides taken by Graves Lovell
 
Ludwigia peploides taken by Graves Lovell

Ludwigia peploides taken by Graves Lovell

Ludwigia peploides taken by Graves Lovell