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: 9810359089http://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) >

