Milkweed

Milkweed are plants that was named for their latex, they grow in America and in Africa, and it behaves like other plants.

They attract bees (And produce pollen), butterfly will go after it expressing the  emotion, while Brides and Grooms will equip it up and expressing the  emotion and ladybugs will eat them.

Trivia

 * Their scientifically name is Asclepias named after the Greek god of healing but most of species are toxic.