Definition: In botany, a hypsophyllum is a type of flowering plant that is commonly known as the "butterfly orchid." This species belongs to the family Orchidaceae and is native to the tropical regions of Asia. They have a unique arrangement of petals that resemble butterfly wings, which are often associated with their name. The leaves on the stems of this plant are also similar to those of butterflies, with a series of veins running down each side of the leaf.