Phalaenopsis amabilis, commonly known as the moon orchid or moth orchid in India and as anggrek bulan in Indonesia, is a species of flowering plant in the orchid family Orchidaceae, native to the East Indies and Australia, and widely cultivated as a decorative houseplant. It is an epiphytic or lithophytic herb with long, thick roots, between two and eight thick, fleshy leaves with their bases hiding the stem and nearly flat, white, long-lasting flowers on a branching flowering stem with up to ten flowers on each branch.