Paphiopedilum concolor is a small terrestrial orchid described in 1984. It has dark green and grey-green mottled leaves, up to 6 inches long by 1½ inches wide. Paphiopedilum concolor is native to southern China (Yunnan, Guizhou, Guangxi), Myanmar (Burma), Thailand and Southern and Central Vietnam, usually in Phong Nha-Kẻ Bàng National Park in Quảng Bình Province. Paphiopedilum concolor flowers in Spring and Autumn. Its 4-inch tall scape has reddish hairs and carries one or two flowers approximately 2¾ inches in diameter. This orchid prefers a warm habitat and wet soil.