Polygonaceae Fortnight: Persicaria lanigera from Delhi-GSMAY35
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Gurcharan Singh
May 13, 2014, 12:23:12 AM5/13/14
to efloraofindia
Persicaria lanigera (R. Br.) Sojac
syn: Polygonum lanigerum R. Br.
Avaery distinctive species of wet places easily identified by its white lanate leaves and terminal condensed inflorescence. Could capture it only in vegetative state.
Photographed from banks river Yamuna in Wazirabad, DDelhi.
Dr. Gurcharan Singh
Retired Associate ProfessorSGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297 Mob: 9810359089
Ritesh Kumar Choudhary
May 13, 2014, 5:22:44 AM5/13/14
to indian...@googlegroups.com
Thanks for sharing the images Sir!
I've seen this plant in Dehra Dun..that too in vegetative stage. :-(
Wondering how much it differs from P. lapathifolia var. lanosa. Yet to see in field.
Best regards,
Ritesh.
Nidhan Singh
May 13, 2014, 6:14:12 AM5/13/14
to Ritesh Kumar Choudhary, indiantreepix
I have also seen its flowers, it is a robust herb..
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Regards,
Dr. Nidhan Singh
Assistant Professor
Department of Botany
I.B. (PG) College
Panipat-132103 Haryana
Ph.: 09416371227
Department of Botany
I.B. (PG) College
Panipat-132103 Haryana
Ph.: 09416371227
J.M. Garg
Jan 29, 2022, 1:33:17 AM1/29/22
to efloraofindia, GurcharanSingh, Ritesh Kumar Choudhary, Nidhan Singh
I could not find its distribution in India in POWO, Flora of Pakistan, Checklist of Nepal and BSI flora of India.
However, CoL gives it as Victoria (I), Pakistan (Peshawar, Punjab), Egypt (Desert Oases, Nile Delta), Israel (coastal W-Israel, Rift Valley), Benin (I), Bhutan, Sikkim, Philippines (Luzon), Laos.
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With regards,
J.M.Garg
J.M.Garg
J.M. Garg
Jan 30, 2022, 2:53:56 AM1/30/22
to efloraofindia, GurcharanSingh, Ritesh Kumar Choudhary, Nidhan Singh
Appears close to images at Persicaria lanata (Roxb.) N. N. Tsvelev and as per GBIF specimens/ observations.
With regards,
J.M.Garg
J.M.Garg
Gurcharan Singh
Jan 30, 2022, 8:08:54 AM1/30/22
to efloraofindia
Hope to capture Inflorescence some day, that would solve the ID. Leaves I thought resemble P. lanigera more.
Gurcharan Singh
Jan 30, 2022, 9:35:03 AM1/30/22
to efloraofindia
I just checked eFlora of Pakistan according to which Polygonum lanigerum of FBI is not same as that of R. Br. and is correctly Persicaria lanata. So I take it as P. lanata as suggested by Garg ji. Thanks Garg ji
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