Etymology: Ludwigia: named for Christian Gottlieb Ludwig (1709-1773), a professor in Leipzig
Plants: drooping or creeping perennial forb
Leaves: lance-like to oval, sharply narrowing to the stalk, opposite
Flowers: greenish, tiny, 4-parted, stalkless, no petals; solitary in the upper leaf axils; blooms July-Sept.
Habitat: wet; mud, shallows
Conservation Status: Native