Cassia

Boyd’s Bible Dictionary:

(that peels) The cinnamon cassia (Ex. 30:24; Ezek. 27:19). In Psalm 45:8, the shrub is unidentified.

Concise Bible Dictionary:

Dried Cassia
The bark of an aromatic plant resembling cinnamon, the Arabian cassia. It was used in the holy anointing oil; and, with myrrh and aloes, will perfume the garments of Christ as King. It was one of the articles of merchandise of Tyre (Ex. 30:24; Psa. 45:8; Ezek. 27:19).