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.
