Dichanthelium chamaelonche, commonly known as small-seeded panicgrass, is a perennial grass species native to North America. It belongs to the genus Dichanthelium, which is characterized by its unique inflorescence that often transitions from an open, branching form to a more contracted, spike-like arrangement as it matures. Small-seeded panicgrass plays a role in its native ecosystems, contributing to the biodiversity of grasslands and open woodlands. This grass typically forms loose clumps or tufts, reaching heights of 30 to 90 centimeters. Its growth habit is generally erect to somewhat spreading. The leaves are linear to lanceolate, measuring 10 to 30 centimeters in length and 3 to 8 millimeters in width. They are typically flat and smooth, though they may have a slightly rough texture along the margins. The ligule, the membrane at the base of the leaf blade where it meets the stem, is a distinguishing feature, often composed of short hairs. The inflorescence is a panicle, which can be open and widely branched in its early stages, bearing numerous small spikelets. As the plant matures, the panicle often becomes more contracted and dense, sometimes appearing spike-like. The spikelets themselves are typically ovate and measure about 1.5 to 2.2 millimeters long. The seeds, from which the common name is derived, are small and ovate. Small-seeded panicgrass is found across a wide geographic range in eastern and central North America, extending from the northeastern United States south to Florida and west to the Great Plains. It thrives in a variety of open habitats, including dry prairies, savannas, open woodlands, sandy fields, and disturbed areas. It prefers well-drained soils and can tolerate a range of soil types, from sandy to loamy. While it is adapted to natural conditions, it is not widely cultivated, though its ecological role in supporting native fauna is recognized. Ecologically, Dichanthelium chamaelonche serves as a food source for various insects and is a component of the diet for some seed-eating birds. Its presence contributes to the structural complexity and habitat diversity within its native environments. While not a significant agricultural crop, its role in native plant communities is important for ecological health. No significant medicinal, culinary, or economic uses are widely documented for this species. An interesting characteristic of Dichanthelium chamaelonche, shared with other species in its genus, is the development of cleistogamous flowers. These are self-pollinating flowers that remain closed, producing seed within the protective structures of the inflorescence. This adaptation ensures seed production even when cross-pollination opportunities are limited. The ability to adapt to varying conditions within its native range, from relatively dry to mesic sites, highlights its resilience as a grassland species.