Missouri Plants Smartweed   (Polygonum sp.) Tracheophyta: Angiosperm: Dicot: Buckwheat (Polygonaceae) Native North American Plant Habitat: any wet soil full sun site. ID Features: pink flowers, tiny oval leaves. Natural History: Smartweeds are a varied group of mostly low-growing wetland plants that produce white to pink flowers. Their seeds are used by a variety of wildlife, from waterfowl to deer, and they are thus useful in many food chains.

The information is from: Missouri Wildflowers by Edgar Denison, 5th Edition, Missouri Department of Conservation, ©1998.