 The park is home to diverse flora and fauna.Over 4,000 plant species have been identified to date in the park area, including the world's largest flower, "Rafflesia arnoldi", and the plant with the largest unbranched inflorescence, the titan arum.The fauna include Sumatran tigers, and the park is recognised under the Global Tiger Initiative as one of the 12 most important protected areas in the world for tiger conservation.