A guide to nonnative invasive plants inventoried in the north by ...

Polygonum cuspidatum
Japanese knotweed POCU6
Mexican bamboo
Form: Stout rhizomatous plant up to 10 ft (3 m) tall; stems
become ridged or lined; solid; profusely branched.
Leaves: Alternate, petiolate ~½-1½ in. (1-4 cm long); blade
2-6 in. (5-15 cm) long and ¾-4 in. (2-10 cm) wide, broadly
ovate, with a rounded apex with abruptly-pointed tip and
usually truncate (to somewhat tapering) base. Lower surface
minutely roughened with short