This is not a common plant that is discussed Ravensara aromatica is a member of the Lauraceae family, and originates in Madagascar.
It is rich in the compound 1,8 cineole which has very potent anti inflammatory properties. On reading about this herb, it also has anti bacterial properties. It can be used for lung function and airway improvement with thyme, boswellia, myrtle and eucalyptus.
Do not confuse this with the essential oil of this plant useful in aromatherapy. You must read to get the correct species of plant with the active component.
Ravintsara essential oil is actually derived from the Cinnamomum camphora tree which is a native of Madagascar. This species of tree is quite different from the Asian camphor species and its leaves have a very different chemical composition. It has a very high level of 1,8 cineole eucalyptol which is the chemical that gives its distinctive, penetrating aroma to the eucalyptus oils.
Ravensara on the other hand has only 5% 1.8 cineole compared to the 50% found in ravintsara and is distilled from the bark of a different tree species
All are not the same