Hitmonchan/Hitmonlee variants in Clover function similarly to Tyrogue. Depending on whether Attack or Defense is higher at level 20, Kukubura will evolve into different forms.
The move reminder (in the post-game, or via Move Relearner in Fochun City) can help if your Pokémon missed a key move for evolution. pokemon clover evolution guide link
The newcomer blinked at the red warning still stamped on the top of the page, and Lena smiled. “It’s only there to remind you: evolutions change those who help them as much as those who change. Be ready to be changed,” she said. ” she said.