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)

