Ushadi Hoya (Asclepiadaceae-now under Apocynaceae as distinct subfamily) and Orchidaceae are surely an example of convergent evolution.
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, Jun 5, 2015 at 8:21 AM, Pankaj Kumar <sahanipan...@gmail.com> wrote: > Dear Mr. Surajit > Thanks for the response. > Firstly I respect all teachers and I would prefer if you call me Pankaj I > am 20 years old only since more than one decade after all. > Secondly Orchids and Asclepiadaceae are very similar in some aspects thats > why I wanted to explain. The most interesting part is how and such > different plant family are so similar!! No one knows..... > Keep up with your curiosity and many interesting discoveries in the world > were made just because some people were more curious than others. > Best regards > Pankaj > > > > On Thu, Jun 4, 2015 at 9:33 PM, surajit koley < > surajitnotavaila...@gmail.com> wrote: > >> Dear Pankaj Sir, >> >> I didn't mind anything at all, for I knew there was a 'communication gap'. >> >> Cheers >> >> Thank you >> Regards >> surajit koley >> a *non-botanist* member of >> efloraofIndia google group >> >> On Thu, Jun 4, 2015 at 4:10 AM, Pankaj Kumar <sahanipan...@gmail.com> >> wrote: >> >>> Dear All >>> I reread my previous mail and I understand that I had been rude in my >>> reply. It is my mistake and I apologize to Mr. Surajit Koley on this >>> thread. I will try to improve my sentiments positively from now on. >>> I am extremely sorry for my behavior. >>> Regards >>> Pankaj >>> >>> >>> >>> On Fri, May 29, 2015 at 9:48 PM, Pankaj Kumar <sahanipan...@gmail.com> >>> wrote: >>> >>>> Pollinia = "paired sacs of pollen >>>> <http://botany.csdl.tamu.edu/FLORA/Wilson/tfp/ast/ascpage2.htm>" >>>> & >>>> "What you pointed at pollinia is not pollinia, IT IS A SAC INSIDE >>>> WHICH ONE LOBE OF POLLINIA IS HIDDEN" >>>> The pair of statements above tells me what I pointed at = A SAC INSIDE >>>> WHICH ONE LOBE OF PAIRED SACS OF POLLEN IS HIDDEN >>>> >>>> *Pollinia IS NOT EQUAL TO PAIRED SAC OF POLLEN. Pollinia is a structure >>>> which is formed of two lobes of pollen mass adhered together with a Y >>>> shaped caudicle also called as TRANSLATOR ARMS and gland at the end of Y >>>> which is sticky, also called as VISCIDIUM in some cases, to get on the >>>> insect legs or other body parts. Pollen sac is usually referred to a sac >>>> like structure inside which these lobes hide FREELY. Basically you cannot >>>> see the pollinia unless you take it out. Once you take it our, the pollen >>>> sac stays back on gynostegium as it is an integral part of the >>>> gynostegium.* >>>> >>>> Gynostegium = "anther + stigmatic disc >>>> <http://waynesword.palomar.edu/termfl1.htm>". >>>> & >>>> "what you pointed as 'what is this?' is called GYNOSTEGIUM" >>>> The pair of statements above tells me = NUMBER OF GYNOSTEGIUM IN THE >>>> PLATE I HAVE LABELLED IS FIVE, OF WHICH TWO ARE MARKED BY BLUE ARROWS >>>> >>>> *GYNOSTEGIUM IS NOT ANTHER + STIGMATIC DISC.* >>>> *DID I TELL YOU THERE ARE 5 GYNOSTEGIUMS? Gynostegium is the complete >>>> structure which is formed by the fusion of androecium and gynoecium. Once >>>> fused this is a single structure that is SINGLE GYNOSTEGIUM which can have >>>> five lobes BUT NOT 5 GYNOSTEGIUM.* >>>> >>>> Corona = "hood + horn <http://waynesword.palomar.edu/termfl1.htm>" >>>> & >>>> "Outer corona is the CORONA HOOD, inner corona is the CORONA HORN" >>>> The pair of statements above tells me = THOSE ASCLEPIADS WHICH HAVESINGLE >>>> CORONA >>>> <http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=10066#KEY-1-18> >>>> WILL EITHER HAVE HOOD OR HAVE HORN >>>> >>>> *CORONA IS NOT HOOD + HORN* >>>> *OUTER CORONA AS PER YOUR LABEL AND INNER CORONA AS PER YOUR LABEL. I >>>> never said there are two corona. Corona is infact part of petals modified >>>> to form some structure which can be simple papillae as in Viola or long >>>> appendages as in Passiflora. In your pic corona is single circle of >>>> structure, and it can be divided into corona hood and corona horn ALSO >>>> REFERRED TO AS CORONAL HOOD AND CORONAL HORN.* >>>> >>>> *So please read my comments properly before giving your interpretation.* >>>> *Thanks* >>>> *Pankaj* >>>> >>>> >>>> >>>> On Fri, May 29, 2015 at 9:00 PM, surajit koley < >>>> surajitnotavaila...@gmail.com> wrote: >>>> >>>>> What a insight inside, Dr. Pankaj! >>>>> >>>>> Pollinia = "paired sacs of pollen >>>>> <http://botany.csdl.tamu.edu/FLORA/Wilson/tfp/ast/ascpage2.htm>" >>>>> & >>>>> "What you pointed at pollinia is not pollinia, IT IS A SAC INSIDE >>>>> WHICH ONE LOBE OF POLLINIA IS HIDDEN" >>>>> The pair of statements above tells me what I pointed at = A SAC INSIDE >>>>> WHICH ONE LOBE OF PAIRED SACS OF POLLEN IS HIDDEN >>>>> >>>>> Gynostegium = "anther + stigmatic disc >>>>> <http://waynesword.palomar.edu/termfl1.htm>". >>>>> & >>>>> "what you pointed as 'what is this?' is called GYNOSTEGIUM" >>>>> The pair of statements above tells me = NUMBER OF GYNOSTEGIUM IN THE >>>>> PLATE I HAVE LABELLED IS FIVE, OF WHICH TWO ARE MARKED BY BLUE ARROWS >>>>> >>>>> Corona = "hood + horn <http://waynesword.palomar.edu/termfl1.htm>" >>>>> & >>>>> "Outer corona is the CORONA HOOD, inner corona is the CORONA HORN" >>>>> The pair of statements above tells me = THOSE ASCLEPIADS WHICH HAVE SINGLE >>>>> CORONA >>>>> <http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=10066#KEY-1-18> >>>>> WILL EITHER HAVE HOOD OR HAVE HORN >>>>> >>>>> So kind of you, Dr. Pankaj >>>>> >>>>> Thank you >>>>> Regards >>>>> surajit koley >>>>> a *non-botanist* member of >>>>> efloraofIndia google group >>>>> >>>>> On Fri, May 29, 2015 at 1:47 PM, Pankaj Kumar <sahanipan...@gmail.com> >>>>> wrote: >>>>> >>>>>> I dont know which question mark stands for which question, but you >>>>>> need to spend some time to find a plant in flower and open up the flower >>>>>> and you will know where pollinia is. >>>>>> What you pointed at pollinia is not pollinia, IT IS A SAC INSIDE >>>>>> WHICH ONE LOBE OF POLLINIA IS HIDDEN (PUT YOUR PENCIL TIP ON THE GLAND >>>>>> AND >>>>>> PULL IT OUT TO SEE POLLINIA) and what you pointed as 'what is this?' is >>>>>> called GYNOSTEGIUM (KIND OF A STAGE ON WHICH MALE AND FEMALE PARTS ARE >>>>>> LOCATED IN THIS SECTION OF APOCYNACEAE). Outer corona is the CORONA HOOD, >>>>>> inner corona is the CORONA HORN. >>>>>> >>>>>> >>>>>> On Fri, May 29, 2015 at 3:09 PM, J.M. Garg <jmga...@gmail.com> wrote: >>>>>> >>>>>>> Forwarding again for any assistance in the matter please. >>>>>>> >>>>>>> ---------- Forwarded message ---------- >>>>>>> From: surajit koley <surajitnotavaila...@gmail.com> >>>>>>> Date: 21 May 2015 at 12:09 >>>>>>> Subject: [efloraofindia:224761] PLEASE H E L P PLEASE >>>>>>> To: efloraofindia <indiantreepix@googlegroups.com> >>>>>>> Cc: Anurag Sharma <anurag.op...@gmail.com> >>>>>>> >>>>>>> >>>>>>> To make this plate I copied two photographs recorded by Anurag Ji. >>>>>>> Please help me to understand different floral structure of an asclepiad >>>>>>> flower. Please check all label and let me know which are wrongly marked. >>>>>>> >>>>>>> Thank you >>>>>>> >>>>>>> Regards >>>>>>> >>>>>>> -- >>>>>>> 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 indiantreepix+unsubscr...@googlegroups.com. >>>>>>> To post to this group, send email to indiantreepix@googlegroups.com. >>>>>>> Visit this group at http://groups.google.com/group/indiantreepix. >>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> With regards, >>>>>>> J.M.Garg >>>>>>> >>>>>>> 'Creating awareness of Indian Flora & Fauna' >>>>>>> <http://en.wikipedia.org/wiki/User:Jmgarg1> >>>>>>> The whole world uses my Image Resource >>>>>>> <http://commons.wikimedia.org/wiki/Category:J.M.Garg> of more than >>>>>>> a thousand species & eight thousand images of Birds, Butterflies, Plants >>>>>>> etc. (arranged alphabetically & place-wise). You can also use them for >>>>>>> free >>>>>>> as per Creative Commons license attached with each image. >>>>>>> >>>>>>> For identification, learning, discussion & documentation of Indian >>>>>>> Flora, please visit/ join our Efloraofindia Google e-group >>>>>>> <https://groups.google.com/forum/#!forum/indiantreepix> (largest in >>>>>>> the world- more than 2400 members & 2,00,000 messages on 9.9.14) or >>>>>>> Efloraofindia >>>>>>> website <https://sites.google.com/site/efloraofindia/> (with a >>>>>>> species database of more than 10,000 species & 2,00,000 images). Winner >>>>>>> of Wipro-NFS Sparrow Awards 2014 for efloraofindia >>>>>>> <https://sites.google.com/site/efloraofindia/award-for-efloraofindia> >>>>>>> . >>>>>>> >>>>>>> Also author of 'A Photoguide to the Birds of Kolkata & Common Birds >>>>>>> of India'. >>>>>>> >>>>>> >>> >> > > > -- > ****************************************************** > **************************************************************** > *Pankaj Kumar*, Ph.D. > *IUCN-SSC Orchid Specialist Group Asia* > > *Office*: > > Conservation Officer > > Orchid Conservation Section > > Flora Conservation Department > > Kadoorie Farm and Botanic Garden (KFBG) Corporation > Lam Kam Road, Tai Po, New Territories, Hong Kong. > > *Residence*: > House no. 39, 2nd Floor, Shui Wo Tsuen > Lam Tsuen, Tai Po, New Territories, Hong Kong. > *email*: pku...@kfbg.org; sahanipan...@gmail.com > *Phone*: +852 2483 7128 (office - 8:30am to 5:00pm); +852 9436 6251 > (mobile); *Fax*: +852 2483 7194 > > -- > 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 indiantreepix+unsubscr...@googlegroups.com. > To post to this group, send email to indiantreepix@googlegroups.com. > 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 indiantreepix+unsubscr...@googlegroups.com. To post to this group, send an email to indiantreepix@googlegroups.com. Visit this group at http://groups.google.com/group/indiantreepix. For more options, visit https://groups.google.com/d/optout.
