The mangrove vegetation of Sundarbans has 64 plant species. They can withstand estuarine conditions and large amounts of saline. In the month of April and May the flaming red leaves of the genwa ("Excoecaria agallocha") the crab-like red flowers of the kankra ("Bruguiera gymnorrhiza") and the yellow flowers of khalsi ("Aegiceras corniculatum") can be seen. Some of the other commonly found plants and trees in the park are dhundal (or cannonball mangrove, "Xylocarpus granatum"), passur ("Xylocarpus mekongensis"), garjan ("Rhizophora" spp.), sundari ("Heritiera fomes") and goran ("Ceriops decandra").