Cinna arundinacea

{{Short description|Species of plant}}{{Use dmy dates|date=December 2023}}

{{Speciesbox

| image = Cinna arundinacea.jpg

| image_caption = Habit

| image2 = Aquatic and wetland plants of southwestern United States (1972) (19753390561).jpg

| image2_caption = Botanical illustration

| genus = Cinna

| species = arundinacea

| authority = L.

| synonyms_ref =

| synonyms =

• Agrostis cinna {{small|Retz.}}
• Agrostis rubicunda {{small|Bosc ex Desv.}}
• Cinna agrostidea {{small|P.Beauv. ex Steud.}}
• Cinna arundinacea var. inexpansa {{small|Fernald & Griscom}}
• Imperata saccharifera {{small|André}}
• Muhlenbergia cinna {{small|(Retz.) Trin.}}

}}

Cinna arundinacea, the stout woodreed or sweet woodreed, is a species of flowering plant in the grass family Poaceae.{{cite web |url=https://www.wildflower.org/plants/result.php?id_plant=CIAR2 |title=Cinna arundinacea L. Sweet Woodreed, Common Woodreed |author= |date=20 February 2009 |website=Plant Database |publisher=Lady Bird Johnson Wildflower Center |access-date=16 December 2023 }}{{cite web |url=https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=40583 |title=Cinna arundinacea L. Taxonomic Serial No.: 40583 |author= |date=2023 |website=itis.gov |publisher=Integrated Taxonomic Information System (ITIS) |access-date=16 December 2023 |quote=Common Name(s): sweet woodreed, stout wood reed-grass [English], stout woodreed, sweet wood-reed }} It is native to Canada and the United States east of the Rockies.{{cite POWO |id=319142-2 |title=Cinna arundinacea L. |access-date=16 December 2023 }} A perennial reaching {{cvt|6|ft}}, it is usually found growing in wet areas.