Sunkern evolves into Sunflora with sun stone.
So you should seek for Sunkern.
sunkern or gloom sunkern into sunflora and gloom into bellosom
Sunflora is a Grass type pokemon.
Sunflora is uncatchable in firered to get one either get a sunflora from Pokemon colosseum or Pokemon emerald.
You can evolve Sunkern or Gloom with a sun stone. Gloom to Bellossom. Sunkern to Sunflora.
The item sun stone evolves: Gloom - Bellossom Sunkern - Sunflora
gloom to bellosom sunkurn to sunflora Sunkern and Gloom are the ones who evolve using a Sun Stone.
As of Pokémon Pearl, there are only two Pokémon that can evolve with the Sun Stone item, the first Pokémon that can evolve with it is Gloom and it will evolve into Bellossom and the second Pokémon that it will evolve is Sunkern and it will evolve it into Sunflora.
Unfortunately you can't get sunflora in firered the only way to get is either from Pokemon emerald or Pokemon colosseum.
sunflora
Petal Dance is not a TM in Diamond or Pearl. If you want to have one of your Pokemon learn this move, the Pokemon would have to be a Venusaur, Oddish, Gloom, Vileplume, Meganium, Sunflora, Roselia, or a Cherrim.
Sunkern evolves into Sunflora with the use of a Sun Stone.
Sunflora is #192 in the national pokedex, and it is a Grass type Pokemon.