Casuarinin is an ellagitannin. It is found in the pericarp of pomegranates (Punica granatum). It is also found in Casuarina and Stachyurus species and in Alnus sieboldiana.
The compounds of every Wikipedia article carrying a Chembox or a Drugbox, refreshed daily, with the values their infoboxes give. The pages need JavaScript; the API does not.