Perhaps this should help in reaching conclusion keeping in mind conclusions by me and Garg ji.
http://plants.jstor.org/stable/10.5555/al.ap.specimen.k000950197. 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://www.gurcharanfamily.com/ http://people.du.ac.in/~singhg45/ On Fri, May 22, 2015 at 8:07 PM, surajit koley < [email protected]> wrote: > Dear Anurag Ji, > > I can clearly see the fruits of this species, those fruits can't be called > smooth and Roxburgh was correct. I said Roxburgh would know his species > better than any other source. > > I copy here a few words from "Revision of the Genus *Aponogeton* / H. W. > E. VAN BRUGGEN" :- > > - ovules 4-8; tepals white, pink, or violet ... fruit with very long > (1mm) terminal beak = *natans* > - ovules 2 (seldom1); ................... fruit smooth = *crispus* > - do ............................... fruit mostly with irregular > excrescences, seldom smooth.... = *echinatus* > > The differences between the 2nd and 3rd above lie in tuber, leaf, > inflorescence, tepal, filament, fruit and plumule. > > So, you can boldly go ahead with the ID *A. echinatus* Roxb. with your > species, no matter eFI admit or not. > > Thank you > Regards > > surajit koley > > On Fri, May 22, 2015 at 7:45 PM, surajit koley < > [email protected]> wrote: > >> So where do we stand Sir? >> >> Roxburgh's *A. echinatus*(*m*) is dubius/uncofirmed, meaning Roxburgh >> may not be correct at all! Thereby Wight and Prain are also wrong! >> >> TPL thinks *A. echinatus* Roxb. is synonymous with, that too with three >> stars, with *A. crispus* Thunb. >> >> You, based on inflorescence colour and Garg Sir, based on leaf, think the >> species submitted by Anurag Ji is *A. natans* (L.) Engl. & K. Krause. >> >> So be it..... thank you very much. >> >> Regards >> >> surajit >> >> >> On Fri, May 22, 2015 at 9:07 AM, Gurcharan Singh <[email protected]> >> wrote: >> >>> Surajit ji >>> Current accpted name of A. echinatum Roxb. is A. crispus and not A. >>> natans. Please note that Engler's revision puts it under unconfirmed/dubius >>> species. Even FBI mentions mix up in Roxburgh's plates. >>> >>> >>> >>> >>> 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://www.gurcharanfamily.com/ >>> http://people.du.ac.in/~singhg45/ >>> >>> On Thu, May 21, 2015 at 6:54 PM, surajit koley < >>> [email protected]> wrote: >>> >>>> Thanks Sir for taking care. Anurag Ji's point is that fruits here are >>>> echinate, so it should be *A. echinatum* Roxb. Now, if the current >>>> accepted name of *A. echinatum* Roxb. is *A. natans* then it is the >>>> same. >>>> >>>> The problem is old lit consider all three different taxa. >>>> >>>> Another problem is nowhere I could find that *A. natans* can have >>>> echinate fruit/capsule. >>>> >>>> Here is a paper from Pakistan >>>> http://www.pakbs.org/pjbot/PDFs/40(1)/PJB40(1)001.pdf >>>> >>>> And here is the protologue - >>>> http://biodiversitylibrary.org/page/16802027#page/16/mode/1up >>>> >>>> On Thu, May 21, 2015 at 3:11 PM, Gurcharan Singh <[email protected]> >>>> wrote: >>>> >>>>> While doing ecology practicals nearly 48 years back in Kashmir, and >>>>> luckily I still remember, we had a few clear cut species of Potamogeton: >>>>> P. >>>>> pectinatus with finely dissected leaves, P. lucens with semitransparent >>>>> leaves, P. natans with thick flat shining floating leaves and P. crispus >>>>> with wavy (crisped) leaves. We did not know about Aponogeton as it is a >>>>> basically an ornamental plant of warmer climates, mostly used in aquarium. >>>>> Yet it has two similar species (which differ besides technical characters, >>>>> by the absence of above mud stems clearly seen in Potamogeton). with >>>>> similar names Aponogeton natans (with broad flat leaves) and A. crispus >>>>> Thunb (syn: A. echinatus Roxb.). To me both Potamogeton crispus and >>>>> Aponogeton crispus are out of contension. Whereas presence or absence of >>>>> above mud stems is important for diagnosis, but the colour of >>>>> inflorescence >>>>> easily places it as Aponogeton natans. I hope I am not wrong. >>>>> >>>>> 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://www.gurcharanfamily.com/ >>>>> http://people.du.ac.in/~singhg45/ >>>>> >>>>> On Thu, May 21, 2015 at 1:21 PM, surajitkoley < >>>>> [email protected]> wrote: >>>>> >>>>>> Perhaps Roxburgh would know (his) species better than any other >>>>>> sources. Attached here entries from FBI, FI, BP, BoBO. >>>>>> Two kew heb - >>>>>> >>>>>> 1. http://apps.kew.org/herbcat/getImage.do?imageBarcode=K000950197 >>>>>> 2. http://apps.kew.org/herbcat/getImage.do?imageBarcode=K000950202 >>>>>> >>>>>> Thank you >>>>>> >>>>>> Regards >>>>>> >>>>>> On Saturday, 2 May 2015 16:21:52 UTC+5:30, Anurag Sharma wrote: >>>>>>> >>>>>>> Family: Aponogetonaceae >>>>>>> Date: 29th April 2015 >>>>>>> Place: Tumkur-Hassan district, Karnataka >>>>>>> Habit: Herb >>>>>>> Habitat: Aquatic/Pond >>>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "efloraofindia" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> To post to this group, send email to [email protected]. >>>>>> Visit this group at http://groups.google.com/group/indiantreepix. >>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>> >>>>> >>>> >>> >> > -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. Visit this group at http://groups.google.com/group/indiantreepix. For more options, visit https://groups.google.com/d/optout.
