Carex aphanolepis, commonly known as the nerved-scale sedge, is a species of flowering plant belonging to the sedge family, Cyperaceae. Sedges are grass-like herbaceous plants that are widespread in temperate and cold regions of the world. Carex aphanolepis is a perennial herb that forms dense clumps. Its growth habit is caespitose, meaning it grows in tufts or dense clumps. The plant typically reaches a height of 30 to 60 centimeters. The leaves are basal, linear, and grass-like, measuring about 2 to 4 millimeters in width. They are typically shorter than the flowering stems. The inflorescence is a spike, usually solitary and terminal, or sometimes with a few additional spikes in the axils of the upper leaves. The spikes are erect and cylindrical, bearing numerous flowers. The perigynia, which enclose the achenes (the true fruits), are ovate to obovate and possess a distinct beak. The scales of the spike are typically ovate and pointed, often tinged with red-brown. The fruits are achenes, which are small and lenticular. The native distribution of Carex aphanolepis is primarily in East Asia, including regions of China, Japan, and Korea. It thrives in moist to wet environments, commonly found in meadows, open woodlands, and along the edges of streams and ponds. This sedge prefers well-drained soils but can tolerate a range of soil types, provided adequate moisture is available. Cultivation requirements are generally straightforward for this species, favoring locations with partial shade to full sun and consistently moist soil. It is a hardy plant, well-suited to temperate climates. While not widely cultivated for ornamental purposes, the nerved-scale sedge plays a role in its native ecosystems by providing habitat and contributing to soil stabilization in wetland areas. Its ecological significance lies in its ability to colonize moist ground and support local biodiversity. There is no established record of significant agricultural, medicinal, culinary, or economic importance for Carex aphanolepis. Interesting adaptations of this sedge include its ability to grow in waterlogged conditions, a characteristic common to many species within the Cyperaceae family, which possess specialized tissues for gas exchange. The specific morphology of its perigynia and scales serves as key diagnostic features for its identification within the diverse genus Carex.