The aptly named Silver Slipper Orchid.

Paphiopedilum micranthum is found from northern Vietnam to western and northern Guangxi, southeastern Yunnan and western Guizhou (China), at elevations of 460 to 1600 meters.The plant is found on cliffs and in crevices which contain leaf litter, limestone, and clay. The area is subjected to fog in the winter and heavy rain from late spring to summer.

National Geographic