Commonly known as Cheel in Hindi has flower spikes of the bottlebrush is made from a number of individual flowers. It has a filament which is a long stalk at the tip of which is the pollen which is adding a nice sparkling effect to its appearance. Each flower produces woody fruit that contains many seeds. You can see these on another branch if you zoom in.
Botanical name - Callistemon viminalis - Species - Myrtaceae
At the Agri-horticulture Centre, Kolkata - December 2017