👉 Hemiodopsis is a genus of flowering plants in the family Lythraceae, commonly known as the purple hemlocks or larches. They are native to eastern North America and grow in forests and grasslands. This plant has a dark green stem with a white or pinkish leaf cover and small, needle-like leaves that can be up to 2 inches long. The flowers are white or yellow, often arranged in groups of five to ten on the axils of the branches.