Thanks Sukla ji for details. 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://www.gurcharanfamily.com/ http://people.du.ac.in/~singhg45/
On Wed, Feb 5, 2014 at 9:18 AM, Sukla Chanda <[email protected]> wrote: > Populus nigra L. is indigenous to Europe and Central and Western Asia. > The variety italica is however found different parts of the world including > India. > > A key is presented below to differentiate the variety italica with the > typical nigra. > > A. A. Crown broad; leaf blade of long shoots and short branchlets > uniformly shaped, rhombic,rhombic-ovate, or deltoid ………………………………………… > var. nigra > A’. Crown narrow, cylindrical; leaves of branches and long shoots > broadly triangular to triangular-ovate; leaves of short branchlets > rhombic-deltoid or rhombic-ovate ..…….. > .................................................................. var. > italica > > > The pictures of leaves should help in this case. > > > Thanks, > Sukla > ------------------------------------------------ > Sukla Chanda, PhD > Science & Education, > The Field Museum, Chicago IL. > > -- > You received this message because you are subscribed to the Google Groups > "efloraofindia" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/indiantreepix. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/indiantreepix. For more options, visit https://groups.google.com/groups/opt_out.
