Thanks Mayur ji for this useful key. One more addition to our database. You may incorporate at the begining of the genus Commelina in our website. If you find any difficulty myself or Dinesh ji will do it.
-- 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 Mon, Oct 24, 2011 at 8:06 AM, Mayur Nandikar <[email protected]>wrote: > Hello to all, > > I am very happy to read all the discussion and finally I would like to > conclude something > > Madhuri ji your posted pictures First* Commelina bengalensis 1.jpg *is > absolutely no doubt *Commelina benghalensis * > But *Commelina bengalensis 2.jpg *may be *Commelina diffusa *(most > probably) > > May be this key will be helpful to identify few common Commelina's* *in > field ................. > > 1. Spathes with margin free to base > ........................................................... *C. diffusa * > 1. Spathes with margins fused at least basally > .......................................................2 > 2. Inflorescence (Spathe) solitary, axiallary or > terminal.........................................3 > 2. Inflorescence composed of several aggregate, axillary or terminal > spathe...........4 > 3. Flowers > white........................................................................... > *C. suffruticosa * > 3. Flowers > blue.............................................................................................5 > 5. Spathe funnel shaped... > ......................................................*C. benghalensis * > * *5. Spathe broadly > ovate...............................................................*C. > forskalaei* > * *4. Sheath with rusty hairs at the > summit................................................*C. paludosa* > * *4. Sheath lacking rusty hairs > .................................................................*C. > ensifolia ** > * > * > * > Thank you > > On Thu, Oct 20, 2011 at 11:18 PM, Madhuri Raut <[email protected]> wrote: > >> Thank you Neha ji for giving me some lead. Yes I can see that there seems >> to be a lot of morphological variation to consider it as the Key. >> >> Regards >> Bhagyashri >> >> >> >> On Thu, Oct 20, 2011 at 10:21 PM, Neha Singh <[email protected]>wrote: >> >>> Madhuri Ji, >>> >>> To me, the first pic looks more like - Commelina benghalensis ( Ovate >>> leaves ) >>> and the second seems more near to- Commelina forsskalii ( lanceolate >>> leaves). >>> >>> But as Satish Ji said - " The key of differentiation is based on the >>> cells of ovary which is difficult in the field. >>> Many taxonomists objected about the guesses made from morphological >>> characters "", May b I m completely wrong here. >>> >>> >>> >>> >>> >> > > > -- > Mr. Mayur D. Nandikar, > Research Student, > Department of Botany, > Shivaji University, > Kolhapur. > 07507013607 > >
