Note that the IRRC contains incorrect parentage. The correction is supplied here: https://scholar.lib.vt.edu/ejournals/JARS/v53n4/v53n4-registry.htm#lemondream
John Verwolf, <a href="https://creativecommons.org/licenses/by/4.0/" rel="license">CC BY 4.0</a>, via <a href="https://rhododendra.com/">Rhododendra.com</a>
John Verwolf, <a href="https://creativecommons.org/licenses/by/4.0/" rel="license">CC BY 4.0</a>, via <a href="https://rhododendra.com/">Rhododendra.com</a>