Persicaria amphibia (USA)

Persicaria amphibia (L.) S. F. Gray, Fl. Auvergne ed. 2: 519 1800. (syn: Chulusium amphibium (L.) Raf.; Chulusium fluitans Raf.; Persicaria amphibia var. amurensis (Korsh.) H. Hara; Persicaria amphibia var. natans (Leyss.) A. H. Munshi & G. N. Javeid; Persicaria amphibia var. terrestris (Leyss.) A. H. Munshi & G. N. Javeid; Persicaria amurensis Nieuwl.; Persicaria fluitans Montandon; Polygonum amphibia subsp. amurensis (Korsh.) Sojak; Polygonum […]

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Persicaria odorata

Persicaria odorata (Lour.) Soják, Preslia 46: 154 1974. (syn: Polygonum odoratum Lour.);   Persicaria odorata (Lour.) Soják : 2 posts by 1 author. 2 images- 7 mb each. Location: Bangkok, Thailand Date:  07  December 2019  Elevation: MSL Habitat: Wild Vietnamese coriander.   References: Catalogue of Life  The Plant List Ver.1.1  World Flora Online  IPNI  Wikipedia  Missouri botanical […]

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Persicaria greuteriana

Persicaria greuteriana Galasso (syn: Polygonum wallichii Meisn.); Himalaya as per Catalogue of Life;   SK1330 29 JUL 2018 : 11 posts by 3 authors. Attachments (9) – around 500 kb. Location: Kakani,  Nepal Altitude :6600 ft. Date: 20 June 2018 Habit : Wild Which Persicaria  ?? Persicaria chinensis ?? I too think so – Persicaria chinensis. […]

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Persicaria hydropiper ?

Persicaria hydropiper ?; . HP, Oct 2014 :: Requesting ID – Persicaria5 :: ARKDEC-40 : 6 posts by 3 authors. Attachments (6). Requesting to please provide ID of this Persicaria species captured near Manali, HP in October 2014. efi page on Persicaria minor (Naturalized) Photo at Sr.No. 6 Looks as Polygonum hydropiper– Jal marich. The plant uploaded is Persicaria hydropiper variety elagans To me appears more close to Persicaria […]

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Persicaria decipiens

Persicaria decipiens (R.Br.) K.L.Wilson, Telopea 3: 178 1988. (syn: Persicaria minor subsp. decipiens (R.Br.) Soják; Persicaria salicifolia (Brouss. ex Willd.) Assenov [Illegitimate]; Persicaria serrulata (Lag.) Webb & Moq.; Polygonum decipiens R.Br.; Polygonum salicifolium Brouss. ex Willd.; Polygonum serrulatoides H.Lindb.; Polygonum serrulatum Lag.);   Common name: Willowleaf Knotweed, Willow-Leaved Knotgrass     POLYGONACEAE FORTNIGHT 1-14 May […]

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Persicaria viscosa

Persicaria viscosa (Buch.-Ham. ex D. Don) Nakai, Rigakkai 24: 300 (1926) as per Annotated checklist of Flowering plants of Nepal; . Persicaria viscosa ??? ID from Bangladesh SM 200 : 4 posts by 3 authors. Attachments (4) I think yes – http://cvh.org.cn/cvh_picture/eco/b/17869.jpg (site : http://cvh.org.cn/db/data_photos/data_index.php?id=1&page=1785&order=SPPING_LATIN2). Wait for experts. Persicaria viscosa (Buch.-Ham. ex D. Don) Nakai : […]

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Persicaria sagittata

Persicaria sagittata (L.) H.Gross, Beih. Bot. Centralbl. 37(2): 113 1919. (Syn: Helxine sagittatum (L.) Raf.; Persicaria sagittata var. sieboldii (Meisn.) Nakai; Persicaria sieboldii (Meisn.) Ohki; Persicaria sieboldii var. brevifolia Kitag.; Polygonum belophyllum Litv.; Polygonum paludosum (Kom.) Kom.; Polygonum sagittatum L.; Polygonum sagittatum var. boreale Meisn.; Polygonum sagittatum var. gracilentum Fernald; Polygonum sagittatum var. paludosum Kom.; […]

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Persicaria glabra ?

Persicaria glabra ? .   Polygonaceae Fortnight:: Persicaria glabra at Lonavala .-PKA33: : : 3 posts by 2 authors. Attachments (3). Aquatic herb / pondweed in a water cistern at Lohagad Fort, Maharashtra. This herb was around 15 to 20 cm high and its fibrous roots were also clearly visible. The leaves were lanceolate with […]

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Persicaria lanata

Persicaria lanata (Roxb.) N. N. Tsvelev in Novosti Sist. Vyssh. Rast. 25: 186. 1988.  (Syn: Polygonum lanatum Roxb.; Polygonum lanigerum auct. non R. Br.: Meisn.; Polygonum lapathifolium var. lanatum (Roxb.) Steward; Persicaria lapathifolia subsp. lanata (Roxb.) Sojak; Persicaria lapathifolia var. lanata (Roxb.) Hara) as per Flora of Pakistan;   POLYGONACEAE FORTNIGHT 1-14 May 2014: Persicaria lapathifolia from […]

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Persicaria pubescens ?

Persicaria pubescens ?; POLYGONACEAE FORTNIGHT 1-14 May 2014: P.hydropiper (L.) Delarbre from Uttarakhand_DSR_7 : 4 posts by 3 authors. Attachments (2). Persicaria hydropiper (L.) Delarbre is a common herb in semi-aquatic habitats of mid hills in Uttarakhand. Shot near Bhowali (Naini Tal), Uttarakhand. I am little skeptical about the identity. Drooping inflorescence and pink color […]

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Persicaria lanigera

Persicaria lanigera (R.Br.) Soják, Preslia 46: 153 1974. (syn: Persicaria lapathifolia var. lanigera (R.Br.) Chantar. & Tubtimtong; Polygonum lanigerum R.Br.; Polygonum lapathifolium var. lanigerum (R.Br.) C.Moore & Betche);   Polygonaceae Fortnight: Persicaria lanigera from Delhi-GSMAY35 : 3 posts by 3 authors. Attachments (2). Persicaria lanigera (R. Br.) Sojac syn: Polygonum lanigerum R. Br. Avaery distinctive […]

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Persicaria sinuata

Persicaria sinuata (Royle ex Bab.) Rajbh. & R.Joshi, J. Jap. Bot. 70(6): 332 1995. (Syn: Polygonum sinuatum Royle ex Bab.); . As per efi thread: This species is often confused with its very closely related sister species known from Eastern Himalayas (P. runcinata) from which it is different in having much smaller size of all […]

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Persicaria mitis

Persicaria mitis (Schrank) Holub, Folia Geobot. Phytotax. 8: 177 1973. (Syn: Persicaria hydropiper subsp. mite (Schrank) Majeed Kak; Persicaria hydropiper subsp. mite (Schrank) Munshi & Javeid; Persicaria laxiflora Opiz (Unresolved); Persicaria mitis (Schrank) Assenov; Polygonum hydropiper var. eglandulosa Hook. f.; Polygonum mite Schrank);   Persicaria sp. Hooghly 01-Jan-2013 sk1: Found this Persicaria on the edge of […]

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Persicaria posumbu ?

Persicaria posumbu (Buch.-Ham. ex D. Don) H. Gross ?; .  Persicaria hydropiper (L.) Delarbre (?) from Kamrup district, Assam: Attaching images of what looks like� Persicaria hydropiper (L.) Delarbre. Please confirm the ID. Date :21.12.2012 Location: Kamrup district, Assam Family : Polygonaceae Genus & species : Persicaria hydropiper (L.) Delarbre (?) Habitat: Grows wild on […]

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Persicaria limbata

Persicaria limbata (Meisn.) H.Hara, in Fl. E. Himal. 71 1966. (syn: Persicaria limbata Hara) 1; Polygonum limbatum Meisn.; Polygonum piliferum Hedw.; Polygonum schinzii Hedw.);             Persicaria barbata (L.) H. Hara ? Hooghly 30-12-12 sk1: Found this Persicaria species in a pond, filled with other vegetation. Species : Persicaria barbata var. […]

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Persicaria perfoliata

Persicaria perfoliata (L.) H. Gross, Beih. Bot. Centralbl. 37(2): 113 113 1919. (Syn: Ampelogonum perfoliatum Roberty & Vautier; Echinocaulon perfoliatum (L.) Meisn. ex Hassk.; Polygonum arifolium var. perfoliatum L.; Polygonum perfoliatum (L.) L.; Tracaulon perfoliatum (L.) Greene; Truellum perfoliatum (L.) Soják;                          (≡) Polygonum perfoliatum L. (basionym));   Mile-a-minute weed, Devil’s tail, tearthumb, Asiatic tearthumb, Gangbangui, […]

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Persicaria stagnina

Persicaria stagnina (Buch.-Ham. ex Meisn.) Qaiser, Fl. Pakistan 205: 44 44 2001. (Syn: Persicaria barbata subsp. stagnina (Buch.-Ham. ex Meisn.) Soják; Persicaria barbata var. stagnina (Buch.-Ham. ex Meisn.) Grierson; Polygonum barbatum var. stagninum (Buch.-Ham. ex Meisn.) Steward; Polygonum conspersum Meisn.; Polygonum stagninum Buch.-Ham. ex Meisn.);   Persicaria for id RV1 : 11 posts by 5 […]

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Persicaria microcephala

Persicaria microcephala (D. Don) H. Gross, Bot. Jahrb. Syst. 49:277. 1913 (Syn: (≡) Polygonum microcephalum D. Don (basionym));      Polygonum microcephalum D.Don. from Kamrup district, Assam: Attached images are Polygonum microcephalum D.Don.Date :17/11/2012Location: Mirza, Kamrup district (Rural)Habit :ShrubFamily : PolygonaceaeGenus & species : Polygonum microcephalum D.Don.Vern. name : Madhu-saleng (Assamese) Flower : Small, white […]

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Persicaria thunbergii (S. Korea)

Persicaria thunbergii (Siebold & Zucc.) H. Gross, Bot. Jahrb. Syst. 49:275. 1913 (syn: (≡) Polygonum thunbergii Siebold & Zucc.) as per GRIN;  Polygonum thunbergii Siebold & Zucc., Abh. Math.-Phys. Cl. Königl. Bayer. Akad. Wiss. 4(3): 208 208 1846. (Syn: Helxine arifolia Raf.; Persicaria hastato-triloba Okuyama; Persicaria sinica Migo; Persicaria thunbergii (Siebold & Zucc.) H. Gross; Persicaria […]

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Persicaria longiseta

Persicaria longiseta (Bruijn) Kitag., Rep. Inst. Sci. Res. Manchoukuo 1(8): 322, in nota 322 1937. (Syn: Polygonum caespitosum var. longisetum (Bruijn) Danser; Polygonum longisetum Bruijn); .  Weeds are beautiful_Persicaria maculosa_RKC02_091011:  Persicaria maculosa for you Family: Polygonaceae. Loc.: Daejeon, S. Korea Date: 9th Oct. 2011. I request all of you to please consider this plant as Persicaria […]

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