Q:Aristolochia stevensii is a plant species native to northwestern Nicaragua and southwestern Honduras. It grows in wet montane forests..Aristolochia stevensii is a liana climbing over other vegetation. Stems are woody up to 2 cm in diameter the bark tomentose when young corky when older. Leaves are ovate up to 17 cm long. Flowers are borne in racemes in the axils of the leaves dull yellow with a purple center. 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