Aaron provides his rod to represent the tribe of Levi, and “it put forth buds, produced blossoms, and bore ripe almonds” (Numbers 17:8), as an evidence of the exclusive right to the priesthood of the tribe of Levi.
Also to know is, what is the rod in Numbers 17?
Numbers 17. As a test, a rod for each tribe is placed in the tabernacle of witness—Aaron’s rod buds and blossoms and brings forth almonds—It is kept as a token against rebels.