A timeline:
http://bulbapedia.bulbagarden.net/wiki/Vileplume_(Pok%C3%A9mon)
http://bulbapedia.bulbagarden.net/wiki/Bellossom_(Pok%C3%A9mon)
http://bulbapedia.bulbagarden.net/wiki/Roselia_(Pok%C3%A9mon)
http://bulbapedia.bulbagarden.net/wiki/Roserade_(Pok%C3%A9mon)
http://bulbapedia.bulbagarden.net/wiki/Lilligant_(Pok%C3%A9mon)
http://bulbapedia.bulbagarden.net/wiki/Florges_(Pok%C3%A9mon)
http://bulbapedia.bulbagarden.net/wiki/Tsareena_(Pok%C3%A9mon)

i mean
what a bizarrely specific thing to get horny for
tsareena has dominatrix boots for god's sake

(Florges not being a grass type doesn't stop her from being a sexy plant lady, bee tee dubs.)