English: Paphiopedilum haynaldianum is a species of orchid endemic to the islands of Negros and Luzon of the Philippines[1][2]Plants are found growing on rocks and decaying leaves in Tarlac and Rizal mountain provinces of Luzon, Negros province in the Philippines at elevations of 0 to 1400 meters. The habitat is constantly moist with high humidity. Spring has light rains and the summer has heavy rains.[3]