Hi Mohan Ji. Yo can also take a look at link below from eFlora of China for the identification key of Datura for further references. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=109368 Tanay
On Sat, Oct 15, 2011 at 8:35 PM, Gurcharan Singh <singh...@gmail.com> wrote: > Mohan ji > > In both D. stramonium and D. metel the plants are glabrous, hairy in D. > inoxia > > The deciding difference between D. metel and D. stramonium is that mature > fruit of D. metel is drooping, covered with short blunt tubercles barely > exceeding 3 mm; in D. stramonium mature fruit is erect covered with long > spines up to 5 mm long. > > In addition the following may help. Plants of D. metel are generally taller > less branched and erect often reaching 1.5 m and tend to have purplish stem, > in D. stramonium plants are shorter, more branched and spreading, stems not > purplish. > > The leaves of D. stramonium are generally parted, whereas they are not > parted in D. metel > > -- > 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 Sun, Oct 16, 2011 at 6:53 AM, Mohan V. Chunkath < > mohan.chunk...@gmail.com> wrote: > >> How do you distinguish between Datura metle and Datura Stramonium? Thanks. >> Regards, >> Mohan >> > > > > > -- *Tanay Bose* Research Assistant & Teaching Assistant. Department of Botany. University of British Columbia . 3529-6270 University Blvd. Vancouver, B.C. V6T 1Z4 (Canada) Phone: 778-323-4036 (Mobile) 604-822-2019 (Lab) 604-822-6089 (Fax) ta...@interchange.ubc.ca *Webpages:* http://www.botany.ubc.ca/people/mberbee.html http://www.botany.ubc.ca/people/gradstud.html https://sites.google.com/site/efloraofindia/