Answer the following question: Barleria lupulina -  Barleria lupulina (Hop-headed Barleria) is a plant of the Acanthaceae family. It occurs in southeast Asia. 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?
Answer:
Plant