I think Hibiscus radiatus, please note small toothed appendage at the base of narrowly spoon shaped epicalyx appendage in third photograph. It has been discussed many times.
https://groups.google.com/forum/#!searchin/indiantreepix/Hibiscus$20radiatus/indiantreepix/05sjq_aJsXE/ftik1ITBM9IJ 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 Sat, Jul 11, 2015 at 5:26 PM, Rathinasabapathy Bhuvaragasamy < brspa...@gmail.com> wrote: > *Sharing the images of **Hibiscus sabdariffa** from Coimbatore.* > > *Thanks* > > > *B. RathinasabapathyEcologist* > > > -- > 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.