GenusBulbophyllum (1)SizeFlower width: c. 2.5 cm (2) Top factsThe night-flowering orchid is the only orchid species to open its flowers at night and close them during the day.First described in 2011, the night-flowering orchid is known only from the island of New Britain, in Papua New Guinea.The night-flowering orchid is an epiphytic species, meaning it grows on trees or other plants.The night-flo