Valentian

Valentian is a Normal-type Pokémon that evolves from Bonsly when leveled up while holding a Love Note. Its body resembles two trees joined together at the top and at the base to form a heart shape. One "trunk" is draped in white lace that resembles a wedding dress, and the other trunk wears something resembling a suit and tie. The branches of both trunks bear numerous flowers and have leaves that resemble jewelry, while the shared base resembles a wedding cake. When the wind blows through its branches, Valentian makes pleasant sounds that resemble two human voices singing a duet. This Pokémon is commonly found at weddings and has been known to make a home for itself at the house of a newlywed couple. As long as the love between th newlyweds remains strong, Valentian will never leave the couple's lawn.

Like Festivine, Valentian is a holiday-themed alternate evolution of Bonsly. It is based on the natural phenomenon of "wedding trees" or "husband and wife trees", where two initially separate trees grow together as a result of their branches coming into contact. Since it consists of a male and female tree, Valentian is considered to be both male and female, regardless of the gender of the Bonsly it evolved from. This means it can use infatuating moves on any Pokémon, even genderless ones (while it itself is immune to infatuation).