“ Quattuor Temporis Rosa Multiflora Thunb is a magical plant which was brought from east Asia in 14th century. It is a rare breed, and the flower with constant color on each plant is its seed. Quattuor Temporis Rosa Multiflora Thunb is usually recommended to be planted in areas with distinct seasons,due to its properties of changing colours depending on the environmental temperature. The higher the temperature, the lighter the color, and the lower the temperature, the closer the color is to deep red. Quattuor Temporis Rosa Multiflora Thunb has also be seen as a hallucinogenic plant, few documents and legends have records of Quattuor Temporis Rosa Multiflora Thunb building mirages. However, these recorded hallucinations are usually harmless and do not affect wizards or Muggles . ”
[ One Thousand Magical Plants and Ferns, Phyllida Spore ]