Smartweed | Polygonum and Persicaria spp. | Mississippi State
https://extension.msstate.edu/publications/smartweed-polygonum-and-persicaria-spp
Web ResultMar 11, 2024 · Polygonum is an erect plant that has simple, alternating, sword-shaped leaves of glossy green. Each leaf has a central vein and secondary veins that extend from the central vein at roughly a 45-degree angle. Where the leaf stalk joins the stem, there are distinctive enlarged joints, or knots, from which the knotweed …
DA: 64 PA: 47 MOZ Rank: 53 Up or Down: Up