Yes A. houstonianum is a better choice. I was under the impression that this
is commonly a cultivated species, never thought it could become an invasive
weed.



-- 
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, Feb 22, 2011 at 6:40 PM, Neil Soares <[email protected]> wrote:

> Hi,
>  Agree with Dr. Pankaj. This is an invasive weed - the Mexican Floss Flower
> [Ageratum houstonianum] a native of Peru & Mexico.
>                   With regards,
>                     Neil Soares.
>
> --- On *Tue, 2/22/11, Pankaj Kumar <[email protected]>* wrote:
>
>
> From: Pankaj Kumar <[email protected]>
> Subject: Re: [efloraofindia:63359] Fwd: WILD FLOWER ID
>
> To: "J.M. Garg" <[email protected]>
> Cc: "efloraofindia" <[email protected]>, "vikram jit singh" <
> [email protected]>
> Date: Tuesday, February 22, 2011, 5:56 PM
>
>
> Looks like Ageratum to me.
> Pankaj
>
>
> On Tue, Feb 22, 2011 at 5:34 PM, J.M. Garg 
> <[email protected]<http://us.mc339.mail.yahoo.com/mc/[email protected]>>
> wrote:
> > Forwarding for Id assistance please.
> >
> > ---------- Forwarded message ----------
> > From: vikram jit singh 
> > <[email protected]<http://us.mc339.mail.yahoo.com/mc/[email protected]>
> >
> > Date: 22 February 2011 11:35
> > Subject: WILD FLOWER ID
> > To: "J.M. Garg" 
> > <[email protected]<http://us.mc339.mail.yahoo.com/mc/[email protected]>
> >
> >
> >
> > Dear Mr Garg,
> >
> >
> > I wanted to seek ur expertise on the identity of a wild purple flower
> which
> > grows in clumps in the lower Shiwalik foothills. It is very common and
> gives
> > of a exotic odour. I am attaching a pix. Could u tell me the name and
> > something about this flower.
> > Regards,
> > Vikram.
> >
> > (Vikram Jit Singh)
> >
> > Golf Columnist and Wildlife Correspondent:
> >
> > The Times of India
> >
> > at Chandigarh.
> >
> >
> > Columnist and Writer for:
> >
> > The Dainik Bhaskar
> >
> > Golf Style (India)
> >
> > The Tribune
> >
> > The Daily Ajit
> >
> >
> >
> >
> >
> >
> > 215, Sector 19 A,
> > Chandigarh -- 160019,
> > India.
> >
> > 0172-2724938
> > 09814019356.
> >
> > Facebook Profile:
> > http://www.facebook.com/people/Vikram-Jit-Singh/543394961
> >
> >
> >
> >
> >
> >
> > --
> > With regards,
> > J.M.Garg 
> > ([email protected]<http://us.mc339.mail.yahoo.com/mc/[email protected]>
> )
> > http://en.wikipedia.org/wiki/User:Jmgarg1
> > 'Creating awareness of Indian Flora & Fauna'
> > The whole world uses my Image Resource of more than a thousand species &
> > eight thousand images of Birds, Butterflies, Plants etc. (arranged
> > alphabetically & place-wise):
> > http://commons.wikimedia.org/wiki/Category:J.M.Garg. You can also use
> them
> > for free as per Creative Commons license attached with each image.
> > For identification, learning, discussion & documentation of Indian Flora,
> > please visit/ join our Google e-group-
> > Efloraofindia:http://groups.google.co.in/group/indiantreepix or
> > https://sites.google.com/site/efloraofindia/ (more than 1500 members &
> > 60,000 messages on 15/1/11 & with a database of around 4500 species on
> > 15/12/10)
> >
>
>
>
> --
> ***********************************************
> "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
>
>
>

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