It should be rosemary, and the plant's floral language has two meanings:

1, remembrance: rosemary is defined as a symbol of love, fidelity and friendship, and its floral language is reminiscence, wiping away the sorrow of memories.

2, remembrance: Italians would throw small sprigs of rosemary into the graves of the dead during funeral ceremonies to represent their admiration and remembrance of the dead. And in Victorian England, rosemary's floral language has the meaning of remembrance, symbolizing long-lasting love, faithful friendship and eternal remembrance.

Expanded Information:

Rosemary is a small blue-purple flower with a beautiful, elegant shape that is loved by many. In China, it also has a very beautiful name, called "Ocean Dew". Not only is the name very beautiful, but it can also emit a light fragrance of elegance. Rosemary is a flower is also a spice, in the world of vanilla people will only care about its fragrant flavor, in the world of hundreds of flowers in addition to representing memories and remembrance, there are two meanings.

1, retaining memories: in Shakespeare's work "Hamlet" there is such a famous line: "Rosemary is to help remember, dear, please keep in mind." Rosemary is defined as a symbol of love, fidelity and friendship, and its floral language stay is memories, promise I won't forget, please always stay in love, thoughts, recollections.

2, loyalty: rosemary also represents loyalty, in Europe when the wedding, the bride often wear rosemary, to people to declare their fidelity to love. In Italy, the girls will use rosemary to knock their favorite person's fingers, looking forward to the other side to give the response of love, the wedding is also often woven into a rosemary wreath worn on the head of the newcomer, symbolizing the loyalty to the marriage of fidelity.

Baidu Encyclopedia - Rosemary (Labiatae)