ENDescription
Related Subjects
The graph displays the other subjects mentioned on the same pages as the subject "Polystachya gerrardi Harv.". If the same subject occurs on a page with "Polystachya gerrardi Harv." more than once, it appears closer to "Polystachya gerrardi Harv." on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.