Fallopia japonica typical to see much smaller plants in places where they sprout through cracks in the pavement or are repeatedly cut down. The leaves are broad oval with a truncated base, long and broad, with an entire margin. The flowers are small, cream or white, produced in erect racemes long in late summer and early autumn. Closely related species include giant knotweed ("Fallopia sachalinensis", syn. "Polygonum sachalinense") and Russian vine ("Fallopia baldschuanica", "Polygonum baldschuanicum"). Other English names for Japanese knotweed include fleeceflower, Himalayan fleece vine, monkeyweed, monkey fungus, Hancock's curse, elephant ears, pea shooters, donkey rhubarb (although it is not a
Oklahoma Native Plant Society Oklahoma Native Plant Society works with the Oklahoma Invasive Plant Council to educate the public about the harm caused by invasive plants in Oklahoma and to help control the spread of invasive plants in the state. Initiated in 2001, The Oklahoma Native Plant Record (ISSN 1536-7738) is the annual scientific publication of the Oklahoma Native Plant Society. Current and back issues, (Volumes 1 and 4 to the present) can be ordered by contacting the Society c/o Tulsa Garden Center, 2435 South Peoria, Tulsa, Oklahoma 74114. All volumes are available online. Oklahoma Native Plant Society The purpose of the Oklahoma Native