Bush Violet

 Bush Violet.(Browallia americana) from Munnar, Kerala (about 1800 MSL).Thanks to eflora team members for their help in identification of this plant.
It is an annual herb, growing up to 1 m tall, with erect, ascending, much-branched stems. It is native to Tropical America, cultivated as a garden plant in cooler parts of India.Ref: http://www.flowersofindia.in/catalog/slides/Bush%20Violet.html