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

Digitaria cognata
1913 illustration[1]

Secure  (NatureServe)
Scientific classification Edit this 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
Synonyms

Leptoloma cognatum

Description

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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

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

References

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