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Persicaria glabra (Willd.) M.Gómez , Anales Inst. Segunda Enseñ. 2: 278 1896. (syn. Persicaria densiflora (Meisn.) Moldenke; Persicaria portoricensis (Bertero ex Small) Small; Polygonum densiflorum Meisn.; Polygonum glabrum Willd.; Polygonum glabrum Cham. & Schltdl.; Polygonum mexicanum Small; Polygonum portoricense Bertero ex Small; Polygonum portoricense Bertero ex Endl.; Polygonum segetum var. verrucosum Stanford); Nut biconvex- P. glabrum (Persicaria glabra).
Nut trigonous P. barbatum Bracts not ciliate on the margins . P. glabrum. (Persicaria glabra).
Bracts ciliate on the margins – P. barbatulum Ocreae (A sheath formed at the node of a stem by the fusion of two stipules) 2-4cm long, tubular, glabrous, truncate at mouth – P. glabrum (Persicaria glabra).
Ocreae 1.5-2.5 cm, tubular, strigose (Having stiff, straight, closely appressed hair), with very long ciliae at the mouth- P. barbatum
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Flora of Madhya Pradesh: Persicaria glabra (Willd.) M.Gómez from Panna National Park MP:
Persicaria glabra (Willd.) M.Gómez from Panna National Park MP
Persicaria glabra (Willd.) M.Gómez (Hooghly): (10 images) This seems to be the :-
It is interesting to note the Style of this plant :-
These photos were shot on the bank of Hooghly river (The Ganges) in Chandannagore, Hooghly, on 22/02/2013.
Please, also note that neither of the two pictures in my earlier post, is Persicaria glabra (Willd.) M.Gómez, because leaves of Persicaria (Polygonum) are alternate –
Yes! Persicaria glabra from me too. Thanks for sharing … Very good photographs. Thanks for your comments …! Would like to share that presence of ochrea is not characteristic to the whole Polygonaceae family rather specific to the subfamily Polygonoideae only. It is absent or rudimentary in members of the subfamily Eriogonoideae. Great … I noticed a thing; shared on the group; and ultimately got more information. I am happy to be a member of this interactive forum with so many talented members who are ever ready to share so much. Yes Sir…you are very correct. More we share..more we learn! Thanks … I know You are the expert in Polygonaceae. You are also correct! Antigonon leptopus belongs to the subfamily Eriogonoideae.
As stated earlier, ochrea in subfamily Eriogonoideae is either absent or rudimentary. Same is true for A. leptopus where ochrea is a very small (0.2-2mm) membranous structure that may not actually be well defined as ‘ochrea’.
Requesting you to have a close look on this herbarium sheet. You will find the answer.
Flora of Haryana: Persicaria glabra from Pujam Karnal: Yes…looks like P. glabra to me too.
Polygonaceae Fortnight : Persicaria glabra : 2 posts by 2 authors. Attachments (2).
sharing pic of Persicaria glabra
From Sindhudurg MH Many thanks for sharing …! Very beautiful photos!!
Request ID of wild flower at Nagarhole – 030711SS01:
Request ID of the following wild flower shot at Nagarhole National Park near Mysore as per the following details: Date/Time- June 2008 Location- Place, Altitude, GPS- Nagarhole National Park, near Mysore Habitat- Garden/ Urban/ Wild/ Type- Wild growing Plant Habit- Tree/ Shrub/ Climber/ Herb- Herb
Height/Length- 1 ft-2 ft Leaves Type/ Shape/ Size- Spindle Inflorescence Type/ Size- NA Flowers Size/ Colour/ Calyx/ Bracts- Long and pointy, purple coloured Common Marsh Buckwheat – looks to be polygonam glabrum Yes looks close to P. glabrum but not P. hydropiper.
efloraindia: 220911 BRS43:
Pl. find the attached file contain the photo for id. (Habitat photo also attached) Date/Time-Location-Sep. 2009, Kodungarai River Ooh Polygonum glabrum is now synonymous with Persicaria glabra of Polygonaceae family.
identification no 260911sn1: date/time:aug 11
location:mulshi,pune habitat:wild plant habit:herb height:about 3 ft. other info:this is only one I have come across so far.
ID Please.: Persicaria glabra, Polygonaceae
Polygonaceae fortnight Persicaria glabra (Willd.) M.Gómez – SN May 03: 2 posts by 2 authors. Attachments (1).
Persicaria glabra (Willd.) M.Gómez (=Polygonum glabrum Willd.),
common undershrub near water bodies
Polygonaceae Fortnight:: Persicaria glabra :: Pune :: SMP04 : 2 posts by 2 authors.
Persicaria glabra. Near River Mutha banks. Pune Very clear pictures! Thanks for the upload sir!
Polygonaceae Fortnight :: Persicaria glabra from Corbett, Uttarakhand :: ARKMAY-07 : 3 posts by 2 authors. Attachments (2).
Attached are pictures of Persicaria glabra from Corbett, Uttarakhand captured in November 2012.
Kindly validate. Yes! P. glabra.
Polygonaceae Fortnight- Polygonum for id from Chakrata:: NS May 27 : 5 posts by 3 authors. Attachments (2). Eciliate ochrea and glabrous character are pointing towards Persicaria glabra. Thanks …, I was not very sure, though tentatively I was having same opinion.. Probably it is not from the altitudes of Chakrata which is temperate zone where P.glabra rarely reaches. Thanks for pointing out … this may be from a lower area on the way, I will try to make out exact location..
Polygonaceae Fortnight : 1 – 14 May 2014 : Persicaria glabra : Nasik : 140514 : AK-10 : 3 posts by 3 authors. Attachments (3).
Growing wild in Nasik. Yes! A common species…beautifully captured!
Polygonaceae Fortnight- Persicaria glabra from Panipat:: NS May 34 : 3 posts by 3 authors. Attachments (6). This is again very commonly found species of Polygonum in our area.. (Panipat)
Please validate or correct the id..
Persicaria glabra Beautiful photos! Thanks for sharing!
Persicaria glabra : For Validation : Bangalore : 10DEC14 : AK-34 : 6 posts by 4 authors. Attachments (2) Yes! Persicaria glabra from me too! The Plant which has been uploaded by you is Persicaria lapathifolia Thanks for your opinion …! My identification was based on the glabrous character of the plant and the absence of blotches on the leaves which are generally present in P. lapathifolia.
Would like to hear more from you.
ID request 070416SG : 4 posts by 3 authors. Attachments (4)
Requesting ID of this bush, about 2-3’ high. Photo taken on 4Apr16 at Solapur, Maharashtra. Perhaps Persicaria lapathifolia To me it look similar to the images at Persicaria lapathifolia, but I am not sure. Persicaria glabra I too think that this is Persicaria glabra
Flower for Id – ID19042016SH1 : 7 posts by 3 authors. Attachments (1)
Flower for Id pl.
Location – Vasai ( Dist.-Palghar,Maharashtra) Date – 17.4.2016 knotweed. persicaria sp Polygonum glabrum Ah great. since persicaria and Polygunum are both KNOTWEEDs in colloquial herbal ids and food foraging, how does one differentiate them botanically. I will greatly appreciate help in this.
… or anybody else that knows this, please tell us. Thanks …, it’s Persicaria glabra (Denseflower Knotweed)
Attachments (1)- 6 MB. Attachments (1)- 4 MB. Attachments (1)- 4 MB. Attachments (1)- 3 MB. Attachments (1)- 2 MB. Looks like Persicaria glabra (Willd.) M. Gomez                
Polygonum for species ID – efloraofindia | Google Groups Persicaria hydropiper ? Pic5 looks like P. hydropiper, for others I am not sure, please check Persicaria glabra and wait for experts. Presenting for ID
Location : Javadhu hills, Eastern Ghats
Elevation : 3600 feet
Taken on 12.02.2020 Please check Persicaria sp. It is Persicaria glabra
Id of Polygonum : 14 posts by 4 authors. Attachments (1) Persicaria decipiens (R.Br.) K.L.Wilson ?? your I’d is correct. Persicaria glabra Thanks … I will check. Could also be P. hydropiper. This is Persicaria glabra (as identified by …) rather than Persicaria decipiens or Persicaria hydropiper, as per images and details herein. . Plant for ID: Bangalore: Lake near Nandi hills: 26th Mar 2021: 4 images. Looks close to Persicaria glabra to me. Perfect. Thank you very much, Thanks, …, for id as Persicaria glabra I also agree with P. grabra I agree with P.glabra
Persicaria glabra: Persicaria glabra – Polygonaceae
Herb, Height –1.5 Meter, Pink Flower, Raceme -Terminate,
Leaves-Alternate, approx-20-25 cms Habitat: Near Irrigation water canal Chandagal, Mysore 30May2011 . Persicaria from Bilaspur: 2 high res. images. Persicaria glabra (Willd.) M.Gómez ?? Yes, appears close to images at Persicaria glabra . Persicaria glabra from Mullayangiri Bababudangiri Road-GS13022022-5: 5 very high res. images.
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