Centaurea Imperialis is a stunning flower with rich tones and textures that adds life and vibrancy to any garden. Other words that can be used to describe Centaurea Imperialis include royal knapweed, starthistle, and cornflower. The flower's unique features and bright colors make it an excellent choice for bouquets and arrangements. Its tall and slender stems make it perfect for creating elegant centerpieces in stylish vases or adding height to a garden. Whether you refer to it as royal knapweed, starthistle, cornflower, or Centaurea Imperialis, this flower is a standout addition to any garden or floral arrangement.