Final answer:
The national flower of Mexico is the dahlia which Malú's mom brought for her at the Alterna-Fiesta.
Step-by-step explanation:
The national flower of Mexico is the dahlia which Malú's mom brought for her at the Alterna-Fiesta. The dahlia is native to Mexico and is a symbol of the country's rich cultural heritage. It comes in various colors and is known for its vibrant and beautiful blooms.