Digitaria cognata

Digitaria cognata
1913 illustration [1]
Conservation status
Secure  (NatureServe)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Poaceae
Subfamily:	Panicoideae
Genus:	Digitaria
Species:	D. cognata
Binomial name
Digitaria cognata (Schult.) Pilg.
Synonyms
Leptoloma cognatum

Digitaria cognata is a species of grass known by the common names fall witchgrass, ^[2] Carolina crabgrass, ^[3] and mountain hairgrass. ^[4]

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. ^[2] The leaves are up to 12.6 centimeters long. ^[5] They are narrow, with "one side wavy, and the other smooth". ^[3] The inflorescence is a purple-tinged panicle with single-flowered spikelets. ^[3]

Uses

This grass provides graze for livestock and wild ungulates, and birds eat the seeds. ^[3]

References

1. 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
2. Digitaria cognata. USDA Plants Profile.
3. Digitaria cognata. USDA NRCS Plant Fact Sheet.
4. Digitaria cognata. NatureServe.
5. Digitaria cognata. Archived 2016-03-04 at the Wayback Machine Grass Manual Treatment.

External links

• USDA Plants Profile for Digitaria cognata (fall witchgrass)