Q:Trillium rugelii - Trillium rugelii the Southern Nodding Trillium is a spring flowering perennial plant which is native to parts of the southeastern United States. Like a few other trillium species (T. catesbaei T. cernuum T. vaseyi and some T. flexipes) it hangs its flower below the leaves. It prefers to grow near streams in humus-rich soil under the shade of deciduous trees. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Plant