Grown habit: Forb/herb
Duration: Annual
Synonyms:
= Polygonum pensylvanicum L.
= Persicaria bicornis (Raf.) Nieuwl.
= Persicaria longistyla (Small) Small
= Persicaria mississippiensis (Stanford) Small
= Persicaria pensylvanica (L.) Small
= Persicaria pensylvanica (L.) Small var. dura (Stanford) C.F. Reed
= Polygonum bicorne Raf.
= Polygonum longistylum Small
= Polygonum longistylum Small var. omissum (Greene) Stanford
= Polygonum mexicanum auct. non Small
= Polygonum mississippiense Stanford
= Polygonum mississippiense Stanford var. interius Stanford
= Polygonum pensylvanicum L. var. eglandulosum J.C. Myers
= Polygonum pensylvanicum L. var. genuinum Fernald
= Polygonum pensylvanicum L. var. laevigatum Fernald
= Polygonum pensylvanicum L. var. rosiflorum J.B.S. Norton
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