water purslane
☆
- a red-stemmed trailing plant (Ludwigia palustris) of the evening-primrose family, found in watery or muddy places
- a small aquatic plant (Peplis diandra) of the loosestrife family, with linear leaves
See water purslane in American Heritage Dictionary 4
noun- Any of various aquatic annual herbs of the genus Peplis, especially P. diandra, of the eastern and central United States, having small greenish flowers.
- A marsh or wetland herb (Ludwigia palustris) having reddish stems and small reddish flowers.