Leaf -5cms approx, Whorl, elliptic to linear, Flower-3-4cms
Habitat Home garden in a coffee estate 
Mudigere, Chikkamagalur, Karnataka, Western ghats  
13 Dec 2011 05:40PM

Its a species of Rhododendron, most probably the type species Rhododendron ferrugineum of Ericaceae

This looks like Azalea to me !!

Supporting …: Azalea sp

THE PICTURE [POSTED ON RHODODENDRON, IF TAKEN IN OOTY HILLS, IS RHODODENDRON NILIGIRICUM Zenk. it is found growing in nilgiris, palnis and hills of s. kerala above 1666 m in open places. please see my book ‘ forest trees of the western ghats’. it is not found in karnataka. The flowers of the climber posted appear to be of thunbergbgia mysorensis, which is quite common in the western ghats.