Floret (noun)

1. A small flower or cluster of flowers, especially one in a head of cabbage or similar plant.
2. A small floral branch or spray.
3. A small flower or bloom.

Origin:

Late 19th century: from french, literally "little flower", from fleur.

Examples:

1. The florets of the broccoli plant are edible.
2. She arranged a floret of lavender in her hair.
3. The floret was a beautiful shade of purple.
4. The florets were tightly packed together in the head of the cauliflower.
5. The floret was a symbol of love and friendship.