Wall. ex Meisn.
Polygonum polygaloides is a species of flowering plant in the knotweed family known by the common names milkwort knotweed and polygala knotweed. It is native to much of western North America, where it can be found in many types of moist habitat. It is a variable species, usually divided into a number of subspecies.
In general Polygonum polygaloides is an annual herb producing slender, wiry green stems 1 to 30 centimeters in length. The linear or lance-shaped leaves are alternately arranged uniformly along the stem, the ones near the tips of stem branches highly reduced. The leaves have membranous stipules which fuse to form silvery ochrea at the leaf bases. The flowers are mainly located in clusters around the stem tips. They are white, pink, or red, and most remain closed.
- Jepson Manual Treatment - Polygonum polygaloides
- USDA Plants Profile; Polygonum polygaloides
- Flora of North America
- Polygonum polygaloides - Photo gallery
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