ENDescription
Related Subjects
The graph displays the other subjects mentioned on the same pages as the subject "Cypripedium × Boltonii (parentage unknown)". If the same subject occurs on a page with "Cypripedium × Boltonii (parentage unknown)" more than once, it appears closer to "Cypripedium × Boltonii (parentage unknown)" on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.