Evolve? At level 32 into Stoutand.
Herdier evolves from Lillipup at 16, and into Stoutland at 32.
Evolve a Lilipup to Herdier at level 16 then evolve Herdier to Stoutland at level 32.
Stoutland is the last Evolution of its chain. You were probably thinking of Herdier. Lilipup level 16 evolves to Herdier and Herdier level 32 evolves to Stoutland.
Herdier will evolve at Level 32.
Herdier evolves into Stoutland at level 32.
Herdier evolves into Stoutland at level 32
Evolves into herdier at level 16
level 33
Lillipup evolves into Herdier at LVL 16, and Stoutland at LVL 32
In Pokémon Black, Herdier will evolve at Level 32.
Level 32
Herdier evolves into Stoutland at level 32