may be Pseuderanthemum variabile from the flower apperance but I do not know about the flower size. Please wait for expert comments
On Tue, Dec 6, 2011 at 6:10 PM, Ajay Ramakrishnan <ajayli...@gmail.com>wrote: > Photographed last month in Kerala. Fingernail sized flower white flower > with pink spots on lower petal(s). Pls help with ID > -- Regards Dr.Bhagyashri Ranade