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Polygonum pensylvanicum

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. durum 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

Pennsylvania Smartweed

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassCaryophyllidaeCacti, many other succulents, carnivorous plants, and leadworts
OrderCaryophyllalesIncludes cacti, carnations, amaranths, ice plants, and many carnivorous plants
FamilyPolygonaceaeKnotweed or smartweed family
GenusPolygonumGreek poly, “many,” and gonu, “knee,” for the swollen jointed stems
Speciespensylvanicum

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Polygonum pensylvanicum description by Thomas H. Kent, last updated 6 Oct 2017.

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Polygonum pensylvanicum (Pennsylvania Smartweed)

Highly dubious ID. This doesn't look much like any of the Polygonums I have seen. Anyone have any ideas? · 9/15/2012 · Mt. Wachusett, Princeton, MA
≈ 11 × 10" (28 × 26 cm) ID is uncertain

Polygonum pensylvanicum (Pennsylvania Smartweed)

Highly dubious ID. This doesn't look much like any of the Polygonums I have seen. Anyone have any ideas? · 9/15/2012 · Mt. Wachusett, Princeton, MA
≈ 12 × 8" (31 × 20 cm) ID is uncertain

Polygonum pensylvanicum (Pennsylvania Smartweed)

Highly dubious ID. This doesn't look much like any of the Polygonums I have seen. Anyone have any ideas? · 9/15/2012 · Mt. Wachusett, Princeton, MA
≈ 17 × 12" (44 × 29 cm) ID is uncertain

Polygonum pensylvanicum (Pennsylvania Smartweed)

Highly dubious ID. This doesn't look much like any of the Polygonums I have seen. Anyone have any ideas? · 9/15/2012 · Mt. Wachusett, Princeton, MA
≈ 6 × 4" (15 × 10 cm) ID is uncertain

Polygonum pensylvanicum (Pennsylvania Smartweed)

Highly dubious ID. This doesn't look much like any of the Polygonums I have seen. Anyone have any ideas? · 9/15/2012 · Mt. Wachusett, Princeton, MA
≈ 24 × 16" (62 × 41 cm) ID is uncertain

Polygonum pensylvanicum (Pennsylvania Smartweed)

Highly dubious ID. This doesn't look much like any of the Polygonums I have seen. Anyone have any ideas? · 9/15/2012 · Mt. Wachusett, Princeton, MA
≈ 11 × 7" (27 × 18 cm) ID is uncertain

Range:

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