Rainbow Shower - Cassia x nealiae

Image Source: Forest and Kim Starr (Wiki Commons)

• Originating in Hawaii.
• Good wind and drought tolerance, but poor salt tolerance.
• Flowers colors range from pale yellow, yellow, golden yellow, orange, and cerise.
• It can grow up to 40 ft. in height.
• Many different names for the colors, such as "Lunalilo Yellow", "Queen's Hospital White", "Wilhelmina Tenney", and "Nii Gold".

    Source: (Rauch, 2000)

• Hybrid tree that developed in the early 20th century in Hawaii.
  

    ​Source: (Wageman, 2008)