I would be happier if both species grow in India. My information says that V. spiralis does not grow in Asia and the specimens identified as such belong to V. natans. By the way spirally coiled female stalk is the generic character and not unique to any species.
-- 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 Fri, Mar 4, 2011 at 8:42 PM, Pankaj Kumar <[email protected]> wrote: > Vallisneria spiralis is found in India as well as V. natans > [Reference: Govaerts et al. 2011: Kew's checklist) > My contention was based on the spiral stalks present below the flower, > if that is not a unique character, then I may be wrong. > Regards > Pankaj > > > On Fri, Mar 4, 2011 at 8:33 PM, Gurcharan Singh <[email protected]> > wrote: > > Or perhaps V. natans, as V. spiralis probably does not grow in India > > > > -- > > 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 Fri, Mar 4, 2011 at 8:15 PM, Pankaj Kumar <[email protected]> > wrote: > >> > >> Vallisneria spiralis most probably. > >> Pankaj > >> > >> > >> On Fri, Mar 4, 2011 at 8:02 PM, aadil meher <[email protected]> > >> wrote: > >> > Aquatic plant from bhopal lake > >> > > >> > >> > >> > >> -- > >> *********************************************** > >> "TAXONOMISTS GETTING EXTINCT AND SPECIES DATA DEFICIENT !!" > >> > >> > >> Pankaj Kumar Ph.D. (Orchidaceae) > >> Research Associate > >> Greater Kailash Sacred Landscape Project > >> Department of Habitat Ecology > >> Wildlife Institute of India > >> Post Box # 18 > >> Dehradun - 248001, India > > > > > > > > > > > > > > -- > *********************************************** > "TAXONOMISTS GETTING EXTINCT AND SPECIES DATA DEFICIENT !!" > > > Pankaj Kumar Ph.D. (Orchidaceae) > Research Associate > Greater Kailash Sacred Landscape Project > Department of Habitat Ecology > Wildlife Institute of India > Post Box # 18 > Dehradun - 248001, India >

