Please answer the following question: Melocactus matanzanus -  Melocactus matanzanus common name Dwarf Turk's-cap cactus or Turk's-cap cactus is a cactus in the genus Melocactus belonging to the family Cactaceae. The epithet matanzanus is derived from the Cuban city of Matanzas. 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