In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.
Q: Olsynium (huilmo in Chile; formerly part of "Sisyrinchium") is a genus of summer-dormant rhizomatous perennials in the iris family, native to sunny hillsides in South America and western North America. Question: To which taxonomic category do both Swainsona and Olsynium belong? Answer: genus
A:
Olsynium huilmo in Chile; formerly part of Sisyrinchium is a genus of summerdormant rhizomatous perennials in the iris family, native to sunny hillsides in South America and western North America.