Q:Thunia is a genus of orchids (family Orchidaceae) and the only genus of the subtribe Thuniinae. The genus comprises 6 species native to Southeast Asia. It is abbreviated Thu in trade journals. 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?
A:
Plant