Cassia is a genus of Fabaceae in the subfamily Caesalpinioideae. Commonly called cassias, "cassia" is also the English name of Cinnamomum aromaticum in the Lauraceae (from which the spice cassiabark is derived), and some other species of Cinnamomum.

Cinnamomum oliveri was created in 1892.

Eugenia caryophyllata Syn. syzygium aromaticum

The scientific name for clove is Syzygium aromaticum. Clove belongs to the plant family Myrtaceae.

The cinnamomum cebuense is critically endangered (meaning almost extinct in the wild)