👉 Norrisia is a genus of flowering plants in the family Rosaceae, native to the eastern half of Asia and China. They are known for their colorful flowers that range from bright red to deep purple. The species includes several subspecies, including the common norrissus (also known as the white or white-towered norrissus) and the red norrissus (also known as the red or pink-naped norrissus).