Nymphaea gigantea - Nymphaea gigantea is a species of aquatic perennial herbaceous plant native to Australia and New Guinea. The plant is a tropical and substropical species that establishes tubers in the muddy bottoms of still waters; its leaves are round and grow up to 75 cm in diameter and the large flowers are blue-white. 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