For more information on this Pokémon's species, see Meganium.
Meganium (Japanese: メガニウムMeganium) is a Grass-type Stage 2 Pokémon card. It is part of the Lost Thunder expansion.
Quick-Ripening Herb そうじゅくハーブ
Once during your turn (before your attack), you may use this Ability. Choose 1 of your Basic Pokémon in play. If you have a Stage 2 card in your hand that evolves from that Pokémon, put that card onto the Basic Pokémon to evolve it. You can use this Ability during your first turn or on a Pokémon that was put into play this turn.