Blossomite

Blossomite is the beta design for Meganium. There are little to no differences between the two. It is #154 in the Pokedex.

Blossomite is a grass-type Pokemon and the final evolution of Leef and Blossomite.

Evolutions
Leef is the prior form to Blossomole.

Blossomole is the prior form to Blossomite.