Flower of a Mangrove Apple Tree (Sonneratia caseolaris). Also called "mangrove crabapple".

Many uses including traditional medicine: when ripe, the fruits are eaten raw or cooked. Fermented fruit juice is said to be useful in arresting haemorrhage. The wall of an old fruit is given as a vermifuge. The juice of
half-ripe fruit is used to treat coughs. The juice of the flowers is used in a compound for treating blood in the urine. Pneumatophores were used as corks and floats.

The fragrant, night-blooming Sonneratia flowers are pollinated mainly by the Dawn Bat (Eonycteris spelaea), the Common Long-tailed Bat (Macroglossus minimus), and the Lesser Short-nosed Fruit Bat (Cynopterus brachyotis). These bats feed on nectar and pollen of flowers and rely mainly on Sonneratia for sustenance.