Cinna is a small genus of grasses known by the common name woodreeds. There are only four known species, but they are quite widespread in the Americas and northern Eurasia.Grass Manual AccountFlora of China Vol. 22 Page 363 单蕊草属 dan rui cao shu Cinna Linnaeus, Sp. Pl. 1: 5. 1753. Biota of North America Program 2014 county distribution maps

Woodreeds are perennial grasses with long, soft panicle inflorescences. They are found in moist areas, especially near bodies of water.Jepson Manual TreatmentUSDA Plants Profile

Species Cinna arundinacea - sweet woodreed, stout woodreed - eastern Canada, eastern & central United States Cinna bolanderi - Bolander's woodreed - central California (Fresno, Tulare, Mariposa counties) Cinna latifolia - drooping woodreed - northern Eurasia from Norway to Japan & Magadan; Canada incl Arctic territories; northern & western United States Cinna poiformis - Mexico, Central America, Venezuela, Colombia, Peru, Ecuador, BoliviaThe Plant List search for Cinna

Formerly included Species now considered better suited to other genera: Agrostis, Andropogon, Arctagrostis, Calamagrostis, Dichelachne, Echinopogon, Limnodea, Muhlenbergia, Pogonatherum, and Sporobolus

See also List of Poaceae genera

References