Oriental Lady's-thumb
Persicaria longiseta
Found in disturbed areas, lawns, ditches. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you
Not native to West Virginia. How scores work Is it native here?
Profile 71%
- Height
- 1–3 feet
- Light
- Partial shade, Full shade, Full sun
- Soil moisture
- Dry to wet

Do not plant. Listed invasive in West Virginia.
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At a glance
- Life cycle
- Annual
- Bloom
- May to October
Not yet recorded · Spread · Leaves
Recorded in 7 West Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in West Virginia. Shared habitat, not food. 89 animals.
- Wood ThrushHylocichla mustelina
- Yellow-bellied SapsuckerSphyrapicus varius
- Yellow-billed CuckooCoccyzus americanus
- Yellow-crowned Night-heronNyctanassa violacea
- American CootFulica americana
- American WoodcockScolopax minor
- Bald EagleHaliaeetus leucocephalus
- Baltimore OrioleIcterus galbula
- Barred OwlStrix varia
- Black VultureCoragyps atratus
- Blue-winged WarblerVermivora pinus
- Brown ThrasherToxostoma rufum
- CanvasbackAythya valisineria
- Cerulean WarblerDendroica cerulea
- Eastern Wood-peweeContopus virens
- GadwallAnas strepera
- Golden EagleAquila chrysaetos
- Golden-winged WarblerVermivora chrysoptera
- Hermit ThrushCatharus guttatus
- Hooded WarblerWilsonia citrina
- KilldeerCharadrius vociferus
- Lark SparrowChondestes grammacus
- Least BitternIxobrychus exilis
- Lesser ScaupAythya affinis
Widespread birds also seen here (47)
Found in many habitats here, so not listed above.
- Alder Flycatcher
- American Crow
- American Goldfinch
- American Kestrel
- American Redstart
- American Robin
- Belted Kingfisher
- Black-billed Cuckoo
- Blue Grosbeak
- Blue Jay
- Blue-gray Gnatcatcher
- Cedar Waxwing
- Chimney Swift
- Chipping Sparrow
- Common Nighthawk
- Common Raven
- Common Yellowthroat
- Cooper's Hawk
- Dark-eyed Junco
- Eastern Kingbird
- Eastern Towhee
- European Starling
- Gray Catbird
- Great Crested Flycatcher
- Great Horned Owl
- Least Flycatcher
- Mourning Dove
- Northern Cardinal
- Northern Flicker
- Northern Mockingbird
- Olive-sided Flycatcher
- Orange-crowned Warbler
- Osprey
- Purple Finch
- Red-tailed Hawk
- Red-winged Blackbird
- Rose-breasted Grosbeak
- Ruby-crowned Kinglet
- Sharp-shinned Hawk
- Spotted Sandpiper
- Tufted Titmouse
- Turkey Vulture
- Veery
- White-throated Sparrow
- Wild Turkey
- Yellow-breasted Chat
- Yellow-rumped Warbler
Who uses this plant?
48CaterpillarsGenus host records with ranges including WV
Genus host records with ranges including WV · Polygonum
- Achyra rantalisGarden Webworm Moth
- Acronicta insularisHenry's Marsh Moth, Cattail Caterpillar
- Acronicta oblinitaSmeared Dagger
- Anaplectoides prasinaGreen Arches Dart
- Anticlea multiferataMany-Lined Carpet
- Apantesis argeArge Tiger Moth
- Apantesis naisNais Tiger Moth
- Archips semiferanusOak Leafroller Moth
- Calothysanis amaturariaCross-Lined Wave
- Chionodes discoocellellaEyeringed Chionodes
Show all 48
- Clepsis persicanaWhite Triangle Tortrix
- Coleophora cratipennellaStreaked Coleophora
- Costaconvexa centrostrigariaBent-Lined Carpet
- Dypterygia rozmaniAmerican Bird's-Wing
- Elophila icciusalisPondside Pyralid, Pondside Crambid
- Elophila obliteralisWaterlily Leafcutter Moth
- Emmelina monodactylaMorning-Glory Plume Moth
- Epiblema otiosanaBidens Borer Moth
- Eusarca confusariaConfused Eusarca
- Euxoa tessellataTessellate Dart, Striped Cutworm
- Feltia subterraneaSubterranean Dart, Granulate Cutworm
- Haematopis gratariaChickweed Geometer
- Helicoverpa zeaCorn Earworm Moth
- Homophoberia apicosaBlack Wedge-Spot, Smartweed Groundling
- Hyles lineataWhite-Lined Sphinx
- Hypena scabraGreen Cloverworm Bomolocha, Black Snout
- Maliattha synochitisBlack-Dotted Lithacodia, Black-Dotted Glyph, Brass-Dotted Grass Moth
- Melanchra pictaPainted Arches, Zebra Caterpillar Moth
- Melanolophia canadariaCanadian Melanolphia, Variable Redmarked Looper
- Metarranthis duariaRuddy Metarranthis
- Nephelodes miniansBronzed Cutworm
- Nomophila nearcticaLucerne Moth, American Celery Webworm
- Orthonama obstipataThe Gem
- Ostrinia obumbratalisSmartweed Borer
- Ostrinia penitalisAmerican Lotus Borer, Lily Moth
- Parapoynx obscuralisObscure Pondweed Moth
- Prochoerodes lineolaLarge Maple Spanworm Moth
- Pseudeustrotia carneolaPink-Barred Lithacodia, Pink-Barred Pseudeustrotia
- Pyrrhia exprimensPurple-Lined Sallow, Purple-Lined Sun Moth
- Saucrobotys futilalisDogbane Saucrobotys
- Schinia spinosaeSpinose Flower Moth
- Scopula limboundataLarge Lace-Border
- Spilosoma congruaAgreeable Tiger Moth
- Spilosoma virginicaVirginian Tiger Moth, Yellow Woolybear Moth, Yellow Bear
- Strymon melinusGray Hairstreak
- Tharsalea hyllusBronze Copper
- Xanthorhoe ferrugataRed Twin-Spot, Twin-Spot Carpet
- Xanthotype sospetaCrocus Geometer
16BirdsRecorded eating Persicaria in West Virginia
Diet records by plant genus, from studies across North America. Not a record from this state. Birds whose range includes West Virginia, most records first.
- SoraSeeds. 12 diet records
- Red-winged BlackbirdSeeds. 4 diet records
- American CootSeeds. 2 diet records
- Northern CardinalOther parts. 2 diet records
- Ring-necked DuckSeeds. 2 diet records
- Snow Bunting2 diet records
- American Pipit1 diet record
- American RobinFruit. 1 diet record
- American Wigeon1 diet record
- Blue-winged Teal1 diet record
Show all 16
- GadwallSeeds. 1 diet record
- Lapland Longspur1 diet record
- Lesser ScaupSeeds. 1 diet record
- MallardSeeds. 1 diet record
- Ring-necked Pheasant1 diet record
- Swainson's ThrushFruit and seeds. 1 diet record
Direct food only. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening
Birds that eat Persicaria 16
Diet records by plant genus, from studies across North America. Not a record from this state. Avian Diet Database (Hurlbert Lab), CC0 1.0.
- SoraPorzana carolina
- Red-winged BlackbirdAgelaius phoeniceus
- American CootFulica americana
- Northern CardinalCardinalis cardinalis
- Ring-necked DuckAythya collaris
- Snow BuntingPlectrophenax nivalis
- American PipitAnthus rubescens
- American RobinTurdus migratorius
- American WigeonAnas americana
- Blue-winged TealAnas discors
- GadwallAnas strepera
- Lapland LongspurCalcarius lapponicus
- Lesser ScaupAythya affinis
- MallardAnas platyrhynchos
- Ring-necked PheasantPhasianus colchicus
- Swainson's ThrushCatharus ustulatus
Plant details
- Family
- Polygonaceae
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “May to October” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Height · “1–3 feet” · Minnesota Wildflowers
- Life cycle · “Annual” · Minnesota Wildflowers
- Light · “Partial shade; Full shade; Full sun (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Soil · “Dry; Moist; Wet (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Also known as
Bristly Ladys Thumb; Creeping Smartweed; Oriental Lady's thumb; Polygonum cespitosum; Polygonum cespitosum var. longisetum; knotweed
Conservation status
| West Virginia rank | SNA |
|---|---|
| Global rank | GNR |
| WV status | Not verified |
| Federal status | Not verified |
Sources
- West Virginia DNR invasive plant list
- USDA PLANTS
- Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition
- NatureServe Explorer
- West Virginia occurrence source
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications









































