Dinesh ji I don't think P. chinensis has winged petiole, although petiole base has auricles sometimes, moreover inflorescence is more or less panicles, the perianth fleshy and enlarged in fruit.
http://4.bp.blogspot.com/_b4Oc4TgHkeo/Rx_78YgBVFI/AAAAAAAAANg/1tqlGP_B_Zw/s1600-h/Polygonum+chinense2.JPG <http://4.bp.blogspot.com/_b4Oc4TgHkeo/Rx_78YgBVFI/AAAAAAAAANg/1tqlGP_B_Zw/s1600-h/Polygonum+chinense2.JPG> http://4.bp.blogspot.com/_b4Oc4TgHkeo/Rx_8GYgBVGI/AAAAAAAAANo/TLtdsJmYGe8/s1600-h/Polygonum+chinense1.jpg <http://4.bp.blogspot.com/_b4Oc4TgHkeo/Rx_8GYgBVGI/AAAAAAAAANo/TLtdsJmYGe8/s1600-h/Polygonum+chinense1.jpg> http://www.mitomori.co.jp/hana3/hana2.4.629turuso.html <http://www.mitomori.co.jp/hana3/hana2.4.629turuso.html> -- Dr. Gurcharan Singh Retired Associate Professor SGTB Khalsa College, University of Delhi, Delhi-110007 Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. Phone: 011-25518297 Mob: 9810359089 http://people.du.ac.in/~singhg45/ On Tue, Sep 21, 2010 at 11:27 PM, Dinesh Valke <dinesh.va...@gmail.com>wrote: > Gurcharan ji and all ... in the cropped picture (P1240455_cropped.jpg), we > see the leaves with winged petioles ... is that characteristic *only* to *P. > nepalensis* compared to P. chinensis ? > Regards. > > > > > On Tue, Sep 7, 2010 at 6:54 PM, Dinesh Valke <dinesh.va...@gmail.com>wrote: > >> Thank you very much, Gurcharan ji for the ID. >> Regards. >> >> >> >> >> >> On Tue, Sep 7, 2010 at 6:23 PM, Gurcharan Singh <singh...@gmail.com>wrote: >> >>> P. nepalensis (syn: P. alatum) >>> >>> >>> -- >>> Dr. Gurcharan Singh >>> Retired Associate Professor >>> SGTB Khalsa College, University of Delhi, Delhi-110007 >>> Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. >>> Phone: 011-25518297 Mob: 9810359089 >>> http://people.du.ac.in/~singhg45/ <http://people.du.ac.in/%7Esinghg45/> >>> >>> >>> On Tue, Sep 7, 2010 at 5:11 AM, Dinesh Valke <dinesh.va...@gmail.com>wrote: >>> >>>> Dear friends, >>>> Please help in knowing whether the plant is *Persicaria nepalensis* / *P. >>>> chinensis* (syn. *Polygonum auriculatum*). >>>> In the cropped pictures, we see the leaves with winged petioles ... is >>>> that characteristic to *P. nepalensis* ? >>>> >>>> >>>> >>>> Date/Time : August 26, 2010 at 9.21am IST >>>> Location Place : Tableland, Panchagani >>>> Altitude : about 1323 m (above mean sea level) >>>> GPS : around 17°55'19.63"N, 73°48'16.60"E >>>> >>>> Habitat : grassland >>>> Type : moist >>>> >>>> Plant >>>> Habit : small herb, groundcover >>>> Height : about 30 - 40 cm >>>> Length : - not a climber - >>>> >>>> Leaves >>>> Type : simple, with margin coarsely crenate >>>> Shape : between ovate and deltoid, >>>> Size : about 6 - 7 cm x 3 - 4 cm >>>> >>>> Inflorescence >>>> Type : clusters in topmost leaf axil >>>> Size : about 10 - 15 mm >>>> >>>> Flowers >>>> Size : about 4 - 5 mm >>>> Colour : white >>>> Calyx : do not know >>>> Bracts : - no bracts - >>>> >>>> Fruits >>>> Type : do not know >>>> Shape : do not know >>>> Size : do not know >>>> Seeds : do not know >>>> >>>> >>>> Other Info >>>> Fragrance : do not know >>>> Pollinator : do not know >>>> Uses : do not know >>>> >>>> >>>> >>>> >>>> >>>> Regards. >>> >>> >>> >>> >>> >> >
