Per Gregg Lowery as of his communication today August 14, 2009. The Phillip mentioned below is Phillip Robinson, hybridizer of 'Taischa'.
"Taischa was the very young daughter of a friend of one of Phillip’s garden crew, Susan, at Korbel. The child died at about 6 years old of cancer, and Phillip named it as a remembrance for Susan’s friend."