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This comes various colours from blue to purple, to white, even yellow etc, it is quite refreshing to the eyes.
As kids, we used to collect this flower especially for Onam floral circles called "Pookkalam" and it is not that easy to make a full circle with this flower alone. After the first summer rains they come to life and in Kerala, one can see them during the rainy months.
Only recently I came to understand that this has quite a few medicinal properties and one can make beautifully coloured juices by boiling water and putting a handful of flowers in it and leave overnight to get a good dark blue tinged juice which you can drink with lemon and sugar or even jaggery.
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So next time you see these flowers, get some and try your blue rice or blue lemon juice or even a hot blue tea. And also start cultivating a few plants in your garden or in a pot on your terrace (if you have) or verandah. Think of some innovatively coloured Biriyani or other dishes ..!!!