Digitaria cognata
{{Short description|Species of flowering plant}}
{{Speciesbox
|image = Digitaria cognata BB-1913.png
|image_caption = 1913 illustration[http://plants.usda.gov/java/largeImage?imageID=leco_001_avd.tif illustration from Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 1: 124]
|status = G5
|status_system = TNC
|status_ref =
|genus = Digitaria
|species = cognata
|synonyms = Leptoloma cognatum
}}
Digitaria cognata is a species of grass known by the common names fall witchgrass,[http://plants.usda.gov/java/profile?symbol=DICO6 Digitaria cognata.] USDA Plants Profile. Carolina crabgrass,[http://plants.usda.gov/factsheet/pdf/fs_dico6.pdf Digitaria cognata.] USDA NRCS Plant Fact Sheet. and mountain hairgrass.[http://www.natureserve.org/explorer/servlet/NatureServe?searchName=Digitaria+cognata Digitaria cognata.] NatureServe.
Description
This grass is a perennial without rhizomes. The roots are shallow. The erect stems grow up to 56 centimeters tall. The stem bases are tough and hairy. The leaves are up to 12.6 centimeters long.[http://herbarium.usu.edu/webmanual/info2.asp?name=Digitaria_cognata&type=treatment Digitaria cognata.] {{Webarchive|url=https://web.archive.org/web/20160304113218/http://herbarium.usu.edu/webmanual/info2.asp?name=Digitaria_cognata&type=treatment |date=2016-03-04 }} Grass Manual Treatment. They are narrow, with "one side wavy, and the other smooth". The inflorescence is a purple-tinged panicle with single-flowered spikelets.
Uses
This grass provides graze for livestock and wild ungulates, and birds eat the seeds.
References
{{Reflist}}
External links
- [https://plants.usda.gov/core/profile?symbol=dico6 USDA Plants Profile for Digitaria cognata (fall witchgrass)]
{{Taxonbar|from=Q5276225}}
Category:Bunchgrasses of North America
Category:Grasses of the United States