Given the question: Calystegia subacaulis -  Calystegia subacaulis is a species of morning glory known by the common name hillside false bindweed.It is endemic to California where it grows in the North and Central California Coast Ranges and the San Francisco Bay Area in woodland and chaparral scrub habitat. 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?
The answer is:
Plant