Blephilia subnuda, commonly known as Cumberland Wood Mint, is a perennial herb belonging to the mint family (Lamiaceae). This species is recognized for its distinct floral characteristics and its specific ecological niche within its native range. As a member of the genus Blephilia, it shares certain traits with its relatives, but possesses unique features that distinguish it. Physically, Cumberland Wood Mint typically grows to a height of 30 to 60 centimeters. Its stems are erect and often branched, contributing to a somewhat bushy appearance. The leaves are arranged oppositely along the stem, are ovate to lanceolate in shape, and possess serrated margins. They are typically hairy, particularly on the underside, and emit a minty fragrance when bruised, a characteristic common to many members of the Lamiaceae family. The most striking feature of Blephilia subnuda is its inflorescence. It produces whorls of flowers, often clustered at the apex of the stem and in the upper leaf axils. The flowers are typically pale lavender to pinkish-purple, with a distinctive bilabiate (two-lipped) structure characteristic of the mint family. The calyx is often hairy, and the corolla tube is usually short. Following flowering, small nutlets develop, which are the seeds of the plant. The native distribution of Blephilia subnuda is primarily concentrated in the southeastern United States, with notable occurrences in states such as Kentucky, Tennessee, and Virginia. It thrives in specific natural habitats, typically found in moist, shaded woodlands, along stream banks, and in rocky, calcareous soils. Its preference for these environments suggests a requirement for well-drained soil and partial to full shade. Cultivation requirements generally mirror its natural habitat, favoring moist, humus-rich soils and a location that provides protection from intense direct sunlight. While not widely cultivated for ornamental purposes, Cumberland Wood Mint holds ecological significance within its native ecosystems. As a member of the Lamiaceae family, it likely plays a role in supporting local pollinator populations, providing nectar and pollen for bees and other beneficial insects. Information regarding specific medicinal, culinary, or economic uses for Blephilia subnuda is not well-established or widely documented in scientific literature, and therefore, such applications are not detailed here. An interesting characteristic of Blephilia subnuda is its relatively late blooming period compared to some other woodland wildflowers, often flowering in the late summer or early fall. This extended bloom time can be valuable for late-season pollinators. The hairy nature of its leaves and stems may serve as a defense mechanism against herbivores or aid in moisture retention in its woodland habitat. The specific adaptations of this species are finely tuned to the conditions of its native Appalachian woodland environment.