Ludwigia named in honor of Christian Ludwig, professor of Botany at Leipzig in the late 18th century and alternifolia referring to how the leaves are arranged on the stem.

Prefers marsh edges and wet sand, but sometimes grows in wet ditches and seepage areas. Becoming rare. Can grow to 3 feet tall but is generally shorter than that. Yellow flowers bloom from mid-June to mid-September.

Edible Uses: Unknown

Medicinal Uses: Unknown

Herbal Uses: Unknown