New York Metropolitan Flora

Polygonum achoreum Blake - Leathery Knotweed


By Science Staff

Not peer reviewed

Last Modified 02/10/2012

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Common Names

Leathery Knotweed

General Discussion

This species has been reported from Suffolk Co., NY, but no specimens have been seen. Confirmed from upstate NY and Connecticut, P. achorum may eventually be found in our area.  It may be overlooked due to its morphological similarity to the common P. erectum.