Platyrhiza quadricolor is micro-miniature species from Brazil, the only species in its genus. The plant is only 4 cm tall with tiny pea-shaped pseudobulbs and the flowers are 1 cm in size, carried six to eight flowers on a semi-pendant flower spike. The species name means "four-colored," an apt description of the green, yellow, white and purple flowers. The plant belong to the Ornithocephalinae, a family of mostly miniature species, many from Brazil. This is species, however, is more colorful than many others in the family which tend to come in shades of green and white.