Hi, Usha ji, Learnt something. Thanks a lot. If you remain active, learning botany & taxonomy will be a lot of fun. 2009/6/18 Aparna Watve <[email protected]>
> Pardeshi ji is quite right. The subspecies rank of the species proper is > added only if another subspecies of that species is being mentioned. > Also peoples' naming is too simple and hence in no way can be equated with > plant species naming. Anyway the decisions about species delimitation and > nomenclature are serious issues and dealt with only by the top ranking > taxonomists who often disagree with each other! Only the international body > of botanist can rule on these matters. > > > > > On Thu, Jun 18, 2009 at 7:45 PM, satish pardeshi < > [email protected]> wrote: > >> >> hi >> let me explain abt the subspecies >> when we are dealing with a species/ or number of species and the list >> contain subspecies of Morinda tinctoria ie. Morinda tinctoria ssp >> tinctoria then it can be written as M. tinctoria. but if we are >> dealing with both the subspecies of Morinda tinctoria or the list >> contains both the subspecies then it is necessary to write both the >> subspecies as M. tinctoria ssp tinctoria and say M. tinctoria ssp >> tomentosa. >> and yes we can not correlate nomenclature of plants with that of >> people. >> >> please add if some thing is not uptodate. >> >> regards >> Satish Pardeshi >> Consultant taxonomist >> CDAC, Pune >> >> Stephen A wrote: >> > Thanks Aparna Ji, >> > >> > Once again reading the age old basics. >> > But you said that Morinda tinctoria subsp. tinctoria is usually written >> as >> > M. tinctoria. >> > Is it correct? >> > Because it is anyway a distinct species and no more M. tinctoria. >> > And at higher level, leaving sub species, all are same. >> > If it is so, then there is no point in keeping the sub species level. >> > So, I personally feel that if a particular species is goes up to sub >> species >> > level, then it must be denoted as subsp. >> > >> > After all two people are not alike!!! >> > >> > Regards, >> > >> > >> > Stephen... >> > >> > On Thu, Jun 18, 2009 at 6:17 PM, Aparna Watve <[email protected] >> >wrote: >> > >> > > Dear all, >> > > >> > > This was a tricky one. : I had to open the ICBN (International Code >> for >> > > Botanical Nomenclature) to check it. Thanks Ushaji for making me go >> back to >> > > basics. >> > > >> > > I am giving my notes, but I request other botanists on this list to >> correct >> > > me where wrong, >> > > >> > > [1] *Morinda tinctoria* subsp *pubescence* >> > > >> > > this one is simple: it means that the species *Morinda tinctoria* has >> > > two/more subspecies, the first one is *Morinda* *tinctoria* subsp >> *tinctoria >> > > *(usually written only as *Morinda tinctoria*) and the other one is >> *Morinda >> > > tinctoria* subsp *pubescence *(which must be differing from the first >> in >> > > some characters) (there could be more subspecies under this same >> species, >> > > having different ending epithets). At times the connecting link >> (subsp.) is >> > > not used as there is only one rank below that of species. >> > > >> > > >> > > >> > > [2] *Morinda tinctoria* var *tomentosa* >> > > >> > > Similar to above: it means that the species *Morinda tinctoria* has >> two or >> > > more varieties, the first one is *Morinda* *tinctoria* var. *tinctoria >> *(usually >> > > written only as *Morinda tinctoria*) and the second one is *Morinda >> > > tinctoria* var. *tomentosa* (which must be differing from the first in >> > > some characters) (there could be more varieties under this same >> species, >> > > having different ending epithets) >> > > >> > > >> > > >> > > [3]*Morinda tinctoria* f *xanth* >> > > >> > > This is a form or forma of the species. In botanical nomenclature< >> http://en.wikipedia.org/wiki/Botanical_nomenclature>, >> > > a *form* (*forma*) is a low-level taxonomic rank< >> http://en.wikipedia.org/wiki/Taxonomic_rank>below that of >> > > variety <http://en.wikipedia.org/wiki/Variety_%28biology%29>. The >> > > abbreviation "f." or the full "forma" is put before the infraspecific >> > > epithet to indicate the rank. A form usually designates a group with a >> > > noticeable but minor deviation. >> > > >> > > [4] *Morinda tinctoria* X *Morinda citrifolia* >> > > >> > > This is an interspecific hybrid. >> > > >> > > >> > > >> > > [5]*Morinda tinctoria* 'Neil' >> > > >> > > This is a cultivar of *Morinda tinctoria*. A *cultivar name* consists >> of a >> > > botanical name <http://en.wikipedia.org/wiki/Botanical_name> >> followed by >> > > a cultivar epithet <http://en.wikipedia.org/wiki/Epithet>. The >> cultivar >> > > epithet is capitalised and put between single quotes: preferably it >> should >> > > not be italicized (unless it was given 1 January< >> http://en.wikipedia.org/wiki/January_1> >> > > 1959 <http://en.wikipedia.org/wiki/1959>, when it was Latin< >> http://en.wikipedia.org/wiki/Latin>form and therefore tolerated. But the >> practice was discontinued as it was >> > > often confused with the botanical names). >> > > >> > > >> > > >> > > [6]+*Morindixora* 'Sangita' >> > > >> > > This looks like is a intergeneric hybrid of *Morinda* and *Ixora* >> genus >> > > and a cultivar named as ‘Sangita’ >> > > >> > > >> > > >> > > The picture goes very confusing …. >> > > >> > > Cannot agree more that it is all often very confusing. BUT there is a >> > > method in this madness. The web has a number of websites explaining >> plant >> > > nomenclature, best and easiest of which is wikipedia but the ultimate >> one >> > > (although needing lots of patience to understand) is International >> Code for >> > > Botanical Nomenclature. >> > > >> > > >> > > >> > > So have I passed the exam? : ) >> > > >> > > Aparna >> > > PS: also attaching a word file of the answer as the italics may be >> lost in >> > > mail >> > > >> > > --- >> > > Dr. Aparna Watve >> > > Asha Appt, Shanti Nagar, Ekata Colony >> > > Nr. BSNL tower, Akbar Ward, >> > > Seoni.480661 >> > > tel: 07692-228115 >> > > mobile: (0)9755667710 and 9822597288 still works >> > > >> > > > >> > > >> > >> > >> > -- >> > Think about the Environment before printing this e-mail! ü >> > +----------- --------- --------- --------- --------- --------- --------+ >> > Think B4U Print >> > 1 ream of paper = 6% of a tree and 5.4kg CO2 in the atmosphere >> > 3 sheets of A4 paper = 1 litre of water >> > +----------- --------- --------- --------- --------- --------- --------+ >> > "Lets Protect What We Enjoy" >> >> -- >> Dr. Aparna Watve >> Dr. Aparna Watve >> Asha Appt, Shanti Nagar, Ekata Colony >> Nr. BSNL tower, Akbar Ward, >> Seoni.480661 >> tel: 07692-228115 >> mobile: (0)9755667710 and 9822597288 still works >> >> >> >> -- With regards, J.M.Garg http://en.wikipedia.org/wiki/User:Jmgarg1 'Creating awareness of Indian Flora & Fauna' Image Resource of thousands of my images of Birds, Butterflies, Flora etc. (arranged alphabetically & place-wise): http://commons.wikimedia.org/wiki/Category:J.M.Garg For learning about Indian Flora, visit/ join Google e-group- Indiantreepix: http://groups.google.co.in/group/indiantreepix?hl=en --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "indiantreepix" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.co.in/group/indiantreepix?hl=en -~----------~----~----~----~------~----~------~--~---
