What is the name of the native plant characterized by cylindrical hollow stems and chestnut-colored sheaths?

The native plant characterized by cylindrical hollow stems and chestnut-colored sheaths is indeed known as soft rush. This plant, belonging to the Juncaceae family, typically grows in wetlands and has distinctive features such as its hollow stems, which can reach heights of several feet. The chestnut-colored sheaths that surround the bases of its stems add to its recognizable appearance in its natural habitat.

Understanding the characteristics of soft rush helps in identifying it among other plant species. Soft rush is commonly found in areas such as marshes and along the edges of water bodies, where it plays a crucial role in the ecosystem by providing habitat and stabilization for soil. Its growth habit and morphology make it distinct from other choices listed, which have different physical and ecological characteristics.