Answer the following question: Orthocarpus pachystachyus is a rare species of flowering plant in the broomrape family known by the common name Shasta owl's clover. It is endemic to central Siskiyou County California where it is so rarely seen it was thought to be extinct until 1996 when eight individuals were located. The plant grows in an isolated wilderness but since it apparently only occurs on one single hillside it is considered very vulnerable to extinction. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Plant