Convolvulus virgatus Boiss. is correct ID .
Thank you
Saroj Kasaju

---------- Forwarded message ---------
From: Ron_Convolvulaceae <[email protected]>
Date: Monday, February 21, 2011 at 8:23:02 PM UTC+5:45
Subject: Re: Fwd: Ipomoea for ID : 280111 : AK-2
To: efloraofindia <[email protected]>




On Feb 21, 8:50 am, Ron_Convolvulaceae <[email protected]> wrote: 
> On Feb 21, 7:59 am, Dinesh Valke <[email protected]> wrote: 
> 
> 
> 
> > ... simply guessing: some species of Calystegia ...
http://www.exot-nutz-zier.de/impressionen_convolvulaceae_ca.htm 
> > Regards. 
> > Dinesh 
> 
> > On Mon, Feb 21, 2011 at 6:16 PM, Gurcharan Singh <[email protected]> 
wrote: 
> > > Resurfacing again for ID 
> 
> > > -- 
> > > 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/ 
> 
> > > ---------- Forwarded message ---------- 
> > > From: Aarti S. Khale <[email protected]> 
> > > Date: Fri, Jan 28, 2011 at 5:34 PM 
> > > Subject: Ipomoea for ID : 280111 : AK-2 
> > > To: efloraofindia <[email protected]>, Gurcharan Singh < 
> > > [email protected]> 
> > > Cc: androl <[email protected]> 
> 
> > > Again taken at Muscat,Oman. 
> > > First picture taken in May,06 and the other in Feb,07.These are very 
> > > common here. 
> > > Aarti 
> 
> Hello, 
> 
> Dinesh ji has a worthy guess. 
> 
>      My impression is that the plant in question is likely in the 
> genus Convolvulus as the stigma is within the structural type for a 
> Convolvulus and the corolla with a relatively short tube and wide 
> relatively flat limb is much more typical of Convolvulus than a 
> Calystegia , although some overlap of corolla features between 
> Calystegia and Convolvulus does exist... 
> 
> The majority of Calystegia species are native to California with 
> relatively few species in the Old World, whereas by comparison there 
> are many species of Convolvulus in the Old World. 
> 
> The Convolvulus are known to cross species naturally as compared to 
> Ipomoea which rarely ever crosses the species barrier naturally. 
> 
> There are some botanists who have proposed that all Convolvulus 
> represent geographic variations of a single species with no absolute 
> division , because inter-grades of Convolvulus species are to be found 
> inhabiting what is proposed to be the geographic limits for a 
> particular species; inter-grades of Convolvulus species blend in with 
> the 'different' neighboring Convolvulus species / sharing features 
> with geographic neighbors of supposedly 'different' species...therefor 
> Convolvulus has so many subspecies , subsubspecies , varieties and 
> forma...likely ad infinitum... 
> 
> Perhaps the wrong time for me to share regarding such a departure from 
> the traditional / accepted classifications... 
> 
> The plant is some Convolvulus but more than that I can not offer at 
> this point. 
> 
> regards, 
> 
> Ron 

Hello, 

I have an after-thought and that is the plant seems to match 
Convolvulus virgatus in many aspects. 

regards, 

Ron 

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