Sirji i guess people called the same species as X. indicum instead of X. strumarium before Clarke cleared the things.
regards, On Thu, Oct 20, 2011 at 2:41 PM, Gurcharan Singh <[email protected]> wrote: > Yes H S > X. strumarium L. and X. indicum Roxb. are same species as per most > databases and publication, but looking at the fact that X. indicum was > described from India nearly more than 200 years and X. strumarium described > in Clarke Compositae Indicae nearly 150 years ago, it may not be appropriate > to call is an introduced weed at this stage. > But there is another species X. spinosus, which has been recently > introduced in Kashmir, and was uploaded by me on Flowers of 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 Thu, Oct 20, 2011 at 2:13 PM, H S <[email protected]> wrote: > >> Dear all, >> Here in Maharashtra we get mostly one species i.e. Xanthium strumarium L. >> which is seen as a roadside weed, no doubt its an introduced species. >> Xanthium indicum Koeng. ex Roxb. is synonym of X. strumarium i guess, if its >> a reliable different species atleast i have not seen it. it will be great if >> someone upload both species photographs on the site.. >> >> regards, >> >> >> On Thu, Oct 20, 2011 at 1:33 PM, ushadi Micromini < >> [email protected]> wrote: >> >>> Gurucharanji::)... >>> >>> no no... you are most level headed guy... except when you get mad... :), >>> there is no fear of you getting a swollen head... >>> >>> by "You" i hope you meant ONE ... someone.. a nebulous anybody who gets >>> fixed ideas and wont budge''' >>> >>> "you" is not USHA DI >>> >>> I never have fixed ideas... most open mind... >>> >>> except in a few cases: >>> like: >>> a lady is pregnant or not... there is no such thing a little bit >>> pregnant... >>> secondly... if there is cancer in some organs or lymph nodes ... its no >>> longer benign... >>> I had once had a boss who used to make diagnosis like: i see a few cancer >>> cells in this group.. three lymph nodes have them... and final diagnosis : >>> Benign lymph nodes... >>> or this biopsy has a few cancer cells: final diagnosis: benign polyp... >>> stupid >>> >>> and I had to clean up his mess... messy inept diagnosis like that ( and >>> he got the big money for being the boss) ... no open mind about fooling the >>> patient or just plain ineptitude by/of such stupid doctors... >>> >>> >>> OTHERWISE...I HAVE A MOST OPEN MIND... >>> >>> in my camera club I even had a category called OPEN MIND... way back in >>> 1980....lots of members won prizes in that category, including yours >>> truly... open mind is FUN.... >>> >>> and least stressful, judging from the conversations / clues provided by >>> the most stressed out patients in my mind-body medicine seminars and >>> groups...who tend to have least open mind... they make up their minds too >>> rapidly and see the world in black and white... no grey zones... but as >>> nature made it all situations have a large-wide grey zone... open mind >>> area ... >>> ... >>> >>> BUT open mind also does not mean pushover... I can not be pushed around >>> or put down by sexists or inept diagnosticians or arrogance etc etc... but >>> that's another story.. >>> >>> Usha di >>> ========== >>> >>> >>> >>> >>> On Thu, Oct 20, 2011 at 12:08 PM, Gurcharan Singh <[email protected]>wrote: >>> >>>> Ushadi >>>> Don,t pump us so much. If it gets into our head? >>>> The conversation always flows like this if you don't have fixed ideas. >>>> We believe in open exchange of information. >>>> >>>> -- >>>> 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 11:43 AM, Ushadi micromini < >>>> [email protected]> wrote: >>>> >>>>> Wonderful learning conversation.... and sooo mature way of putting >>>>> ideas... >>>>> >>>>> thank you folks >>>>> I wish all our conversations were this collegial... >>>>> >>>>> Coming back to this case.. it may no be a high prioroty plant for the >>>>> naming/restructuring of classification group/s... >>>>> >>>>> usha di >>>>> >>>>> ==== >>>>> On Oct 20, 8:27 am, Gurcharan Singh <[email protected]> wrote: >>>>> > Yes Pankaj ji >>>>> > I found it out from IPNI and Compositae Checklist. >>>>> > Thanks for information >>>>> > >>>>> > -- >>>>> > 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 8:42 AM, Pankaj Kumar < >>>>> [email protected]>wrote: >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > > 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: >>>>> > > Flora Conservation Department >>>>> > > Kadoorie Farm and Botanic Garden (KFBG) Corporation >>>>> > > Lam Kam Road, Tai Po, New Territories, Hong Kong. >>>>> > >>>>> > > Residence: >>>>> > > 36c, Ng Tung Chai, Lam Tseun >>>>> > > Tai Po, New Territories, Hong Kong. >>>>> > >>>>> > > email: [email protected] >>>>> > > [email protected] >>>>> > > [email protected] >>>>> > > Phone: +852 2483 7128 (office - 8:30am to 5:30pm) >>>>> > > +852 9436 6251 (mobile) >>>>> >>>> >>>> >>>> >>>> >>>> >>> >> >> >> -- >> - H.S. >> >> A scientific man ought to have no wishes, no affections, - a mere heart of >> stone >> >> > > > -- - H.S. A scientific man ought to have no wishes, no affections, - a mere heart of stone
