From Lloyd Austin’s Iris Color Guidebook 1961 “My color photo tells the story. Horns sometimes feathered or forked in a manner most intriguing, never before seen. Takes but a small flight of the imagination to visualize, highly decorative horns, branched and frilled to a remarkable degree. Who will be first to produce them. Will it be you? You’re likely to get startling tangerine bearded horned iris, for Twilight Sky is pollen parent of Pink Unicorn. has good pollen and sets seed. Pollen parent of Spooned Delight 1961.”