Flowers of Woodfordia fruticosa from Lythraceae. The red flowers look like bursting fire crackers called lavangi leading to its common name lavangi zhad (fire cracker plant).
Description: Illustration of Woodfordia fruticosa (Orig. Grislea tomentosa). Date: 1795. Source: Plants of the coast of coromandel vol. 1 plate 31 (http://www.botanicus.org/page/280118). Author: William Roxburgh (1751-1815), Joseph Banks (1743-1820).