Xanthium strumarium Elliott Sketch Bot. S. Carolina 2: 479 (1823).
This is the full citation of the same name.
I understood your point. May be once the other strumarium is resolved,
they will be able to resolve this one also :).
Pankaj



On Thu, Oct 20, 2011 at 10:42 AM, Gurcharan Singh <[email protected]> wrote:
> Pankaj ji
> But interestingly Xanthium strumarium (without any author) is accepted name
> according to the Plant List, with X. chinense Mill. as synonym I am tired of
> pointing out corrections to them.
>
> --
> 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 Thu, Oct 20, 2011 at 7:23 AM, Dr Pankaj Kumar <[email protected]>
> wrote:
>>
>> There are many provisions in ICBN to conserve names which may actually
>> be wrong.
>> Article 14.2.of ICBN says, "Conservation aims at retention of those
>> names which best serve stability of nomenclature".
>> Stability like, the name of family Orchidaceae Juss., Gen. Pl.: 64. 4
>> Aug 1789. is conserved against Orchidaceae Adanson, Fam. des plantes
>> 2: 68 1763.
>>
>> Just based on the popularity of usage, Xanthium indicum may be
>> considered conserved, but it is not yet conserved, as atleast the
>> plant list or GRIN doesnt consider them as same.
>>
>> For this particular case, it is yet to be resolved according to The
>> Plant List and both are till now considered distinct species with
>> Xanthium indicum Roxb. is an unresolved name but synonymous with
>> Xanthium inaequilaterum DC..
>>
>> WHEREAS
>>
>> Xanthium strumarium L. Sp. Pl. 987 1753 is an unresolved name.
>>
>> Regards
>> Pankaj
>>
>>
>>
>> On Oct 20, 2:25 am, Satish Phadke <[email protected]> wrote:
>> > Agreed it has to be vice versa. Thanks for pointing out that. Even The
>> > plant
>> > list has something else to say. I cant go  more deeper in that context.
>> >
>> > On Wed, Oct 19, 2011 at 10:12 PM, Gurcharan Singh
>> > <[email protected]>wrote:
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> > > Satish ji
>> > > Yes the identification is correct, but I fail to understand how
>> > > Xanthium
>> > > strumarium, a much earlier name be synonym and X. indicum, the
>> > > accepted name
>> >
>> > > --
>> > > 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 Wed, Oct 19, 2011 at 9:40 PM, Satish Phadke
>> > > <[email protected]>wrote:
>> >
>> > >> *Xanthium indicum* Syn *Xanthium strumarium*
>> > >> Family : Asteraceae
>> > >> Marathi : Shankeshwar शंकेश्वर A vweed common on roadside
>> > >> Observed flowering in open areas around Pune city last few days
>> > >> Large herb Annual about 1m in height.
>> > >> Stem branches rough hairy.
>> > >> Leaves serrate alternate 5-8 cm ovate acute triangular or lobed'
>> > >> appressed
>> > >> hairy.
>> > >> Flower heads 0.4-0.8mm across. Green when young in terminal and
>> > >> axillary
>> > >> spikes.Barren heads crowded at apex. Fertile heads fewer.
>> > >> Fruits 2cm long with 2 erect mucronate beaks covered with hooked
>> > >> prickles.
>> > >> Achenes 1cm bye 0.4 cm oblong or ovoid. Compressed black.
>> >
>> > >> --
>> > >> Dr Satish Phadke
>> >
>> > --
>> > Dr Satish Phadke
>
>
>



-- 
**********************************************************************
"Taxonomists getting Extinct and Species Data Deficient !!"


Pankaj Kumar Ph.D. (Orchidaceae)
Conservation Officer

Office:
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