Persicaria lapathifolia

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Persicaria lapathifolia

From Wikipedia, the free encyclopedia

(Redirected from Willow weed)

Persicaria lapathifolia

Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Polygonaceae
Genus:	Persicaria
Species:	P. lapathifolia
Binomial name
*Persicaria lapathifolia* (L.) Delarbre 1800
Synonyms^[1]
Synonymy Polygonum lapathifolium L. 1753 Persicaria lapathifolia (L.) S.F.Gray 1821 Dioctis maculatum Raf. Dioctis vernum Raf. Discolenta lapathifolia Raf. Discolenta scabra Raf. Persicaria brittingeri Opiz Persicaria hypanica (Klokov) Tzvelev Persicaria linicola (Sutulov) Nenukow Persicaria oneillii Brenckle Persicaria saporoviensis (Klokov) Tzvelev Persicaria scabra (Moench) Moldenke Peutalis incana Raf. Peutalis nodosa (Pers.) Raf. Peutalis scabra Raf. Pogalis tomentosa Raf. Polygonum andrzejowskianum Klokov Polygonum brittingeri Opiz Polygonum hypanicum Klokov Polygonum incanum F.W.Schmidt Polygonum incarnatum Elliott Polygonum linicola Sutulov Polygonum nodosum Pers. Polygonum pallidum With. Polygonum paniculatum Andrz. 1862 not L. 1759 Polygonum saporoviense Klokov Polygonum scabrum Moench Polygonum tomentosum Schrank Polygonum utriculatum Remy plus many more names at level of subspecies, variety, or form

Wikispecies has information related to Persicaria lapathifolia.

Persicaria lapathifolia (syn. Polygonum lapathifolium), known as pale persicaria,^[2] is a plant of the family Polygonaceae. It is considered to be native throughout most of the world, from arctic to tropical realms, except South America and Southern Africa.^[3] It is closely related to Persicaria maculosa and as such is considered a weed in Britain and Europe. Other common names for the plant include pale smartweed, curlytop knotweed, and willow weed. It is a species complex made up of a great many varying forms, sometimes considered varieties. The environment also has a strong influence on the morphology of an individual plant.

Description

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Persicaria lapathifolia is an annual herb with erect reddish stems with swollen joints, growing to a height of 20 to 80 cm (8 to 31 in). The leaves are alternate with short stalks, often densely hairy underneath. The leaf blades often have a dark-coloured blotch in the centre and are lanceolate or narrowly elliptical and have entire margins. Each leaf base has stipules which are fused into a stem-enclosing sheath that is loose and fringed with few if any hairs at the upper end. The inflorescence is a dense spike, often nodding. The perianth of each tiny pink flower consists of four or five lobes, fused near the base. There are six stamens, two partially fused carpels and two styles. The fruit is a rounded, flattened nut. This plant flowers from July to September in northern temperate regions.^[4]^[5]

Distribution and habitat

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Persicaria lapathifolia is found in many parts of both the Old World and New World.^[5]^[6]^[7]^[8]^[9] Many varietal and sub-specific names have been coined, as the plant is morphologically variable. The species is found growing on the sea shore and in disturbed ground such as arable land, gardens, waste ground, rubbish tips and road verges.^[4]

References

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^ The Plant List, Persicaria lapathifolia (L.) Delarbre
^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
^ "Persicaria lapathifolia (L.) Delarbre | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2024-07-29.
^ ^a ^b "Pale persicaria: Persicaria lapathifolia". NatureGate. Retrieved 2013-12-30.
^ ^a ^b Flora of North America, Persicaria lapathifolia (Linnaeus) Gray, 1821. Pale smartweed , renouée à feuilles de patience
^ Flora of Pakistan, Persicaria lapathifolia (L.) S. F. Gray
^ Flora of China, Polygonum lapathifolium Linnaeus, 1753. 马蓼 ma liao
^ Altervista Flora Italiana, Persicaria lapathifolia (L.) Gray includes numerous photos plus European distribution map
^ Atlas of Living Australia, Persicaria lapathifolia (L.) Gray, Pale Knotweed

External links

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Taxon identifiers

Persicaria lapathifolia

Wikidata: Q159076
Wikispecies: Persicaria lapathifolia
AoFP: 1417
APA: 2930
APDB: 116005
APNI: 93295
BioLib: 38801
Calflora: 11010
CoL: 4F9TP
EPPO: POLLA
EUNIS: 177644
FloraBase: 16984
FNA: 242100098
FoIO: PERLAP
GBIF: 2889262
GRIN: 409765
iNaturalist: 63886
IPNI: 77069480-1
IRMNG: 11214510
ITIS: 518735
IUCN: 164411
MichiganFlora: 2284
NBN: NHMSYS0000461604
NCBI: 430754
NSWFlora: Persicaria~lapathifolia
NTFlora: 4949
NZOR: 453d7348-354f-4f03-aaf6-6e79ba45a5cb
NZPCN: 3071
Observation.org: 7155
Open Tree of Life: 1006197
PalDat: Persicaria_lapathifolia
PFI: 373
Plant List: kew-2572508
POWO: urn:lsid:ipni.org:names:77069480-1
SANBI: 2224-5
Tropicos: 100349015
VASCAN: 8147
VicFlora: 192a313a-3c85-47b5-83b2-c1b965450968
WisFlora: 13194
WFO: wfo-0000488400

Polygonum lapathifolium

Wikidata: Q11087064
APDB: 115970
APNI: 110145
eFloraSA: Polygonum_lapathifolium
EUNIS: 177747
FoC: 200006724
GBIF: 5334407
GRIN: 316796
iNaturalist: 62354
IPA: 57340
IPNI: 695964-1
IRMNG: 10718220
ISC: 42689
ITIS: 20860
NatureServe: 2.156830
NZOR: 34c66f5e-6f6c-458b-b3d6-af9b78b8198c
Observation.org: 152718
PLANTS: POLA4
POWO: urn:lsid:ipni.org:names:695964-1
Tropicos: 26000864
VASCAN: 19102
VicFlora: 41f458d8-09d6-4a1b-b2cb-af53fbcc37e8
WisFlora: 4585
WoI: 1541
WFO: wfo-0000490033

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