''Digitaria cognata'' is a species of
grass
Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in law ...
known by the common names fall witchgrass,
[''Digitaria cognata''.]
USDA Plants Profile. Carolina crabgrass,
[''Digitaria cognata''.]
USDA NRCS Plant Fact Sheet. and mountain hairgrass.
[''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.][''Digitaria cognata''.]
Grass Manual Treatment. They are narrow, with "one side wavy, and the other smooth".[ The ]inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed ...
is a purple-tinged panicle
A panicle is a much-branched inflorescence. (softcover ). Some authors distinguish it from a compound spike inflorescence, by requiring that the flowers (and fruit
In botany, a fruit is the seed-bearing structure in flowering plants that is ...
with single-flowered spikelets.[
]
Uses
This grass provides graze for livestock and wild ungulate
Ungulates ( ) are members of the diverse clade Ungulata which primarily consists of large mammals with hooves. These include odd-toed ungulates such as horses, rhinoceroses, and tapirs; and even-toed ungulates such as cattle, pigs, giraff ...
s, and birds eat the seeds.[
]
References
External links
USDA Plants Profile for ''Digitaria cognata'' (fall witchgrass)
{{Taxonbar, from=Q5276225
cognata
Bunchgrasses of North America
Grasses of Canada
Grasses of the United States
Flora of the Eastern United States
Warm-season grasses of North America