The genus Paphiopedilum consists of flowering plants in the orchid family (Orchidaceae). It contains about 80 accepted species nowadays, some of which are natural hybrids. These slipper orchids are native to South China, India, Southeast Asia and the Pacific Islands and form their own subfamily: Cypripedioideae.
The species or their hybrids are extensively cultivated, and are known as either paphiopedilums, or by the abbreviation paphs in horticulture.
Read more about Paphiopedilum: Description, In Horticulture, Taxonomy and Systematics