Calamagrostis montanensis
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''Calamagrostis montanensis'' 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 lawns a ...
known by the common names plains reedgrass and prairie reedgrass. It is native to North America, where it is found across Canada from
British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...
to
Manitoba , image_map = Manitoba in Canada 2.svg , map_alt = Map showing Manitoba's location in the centre of Southern Canada , Label_map = yes , coordinates = , capital = Winn ...
and south to
Colorado Colorado (, other variants) is a state in the Mountain states, Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the wes ...
in the United States. This plant is a
perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wid ...
grass growing a single stem, not forming a tuft or clump. It grows up to 60 centimeters tall. It has a network of thin rhizomes and roots that hold the soil, forming sod. The roots have been observed to penetrate over a meter deep in the soil. The stiff, rolled leaves are mostly located around the base of the stem and reach up to 15 centimeters long by just a few millimeters wide. The
inflorescence An inflorescence is a group or cluster of flowers arranged on a Plant stem, stem that is composed of a main branch or a complicated arrangement of branches. Morphology (biology), Morphologically, it is the modified part of the shoot of sperma ...
is a narrow panicle up to 10 centimeters long. The spikelet contains one flower. The plant reproduces vegetatively by sprouting from its rhizome and sexually by its wind-dispersed seed. This grass occurs in a number of habitat types, including
temperate coniferous forest Temperate coniferous forest is a terrestrial biome defined by the World Wide Fund for Nature. Temperate coniferous forests are found predominantly in areas with warm summers and cool winters, and vary in their kinds of plant life. In some, needle ...
,
sagebrush Sagebrush is the common name of several woody and herbaceous species of plants in the genus '' Artemisia''. The best known sagebrush is the shrub '' Artemisia tridentata''. Sagebrushes are native to the North American west. Following is an al ...
, shrubsteppe, and several types of
prairie Prairies are ecosystems considered part of the temperate grasslands, savannas, and shrublands biome by ecologists, based on similar temperate climates, moderate rainfall, and a composition of grasses, herbs, and shrubs, rather than trees, as the ...
and
grassland A grassland is an area where the vegetation is dominated by grasses ( Poaceae). However, sedge ( Cyperaceae) and rush ( Juncaceae) can also be found along with variable proportions of legumes, like clover, and other herbs. Grasslands occur na ...
. It is a dominant grass species in several regions in the Great Basin and Great Plains. It tolerates cold winters and hot summers. It is common in disturbed habitat. It grows in all stages of ecological succession and is a
climax species Climax species, also called late seral, late-successional, K-selected or equilibrium species, are plant species that can germinate and grow with limited resources; e.g., they need heat exposure or low water availability. They are the species wi ...
in some regions, such as the Canadian mixed-grass prairie and the mountains and foothills of
Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columb ...
. This is the only ''
Calamagrostis ''Calamagrostis'' (reed grass or smallweed) is a genus of flowering plants in the grass family Poaceae, with about 260 species that occur mainly in temperate regions of the globe. Towards equatorial latitudes, species of ''Calamagrostis'' general ...
'' that provides
forage Forage is a plant material (mainly plant leaves and stems) eaten by grazing livestock. Historically, the term ''forage'' has meant only plants eaten by the animals directly as pasture, crop residue, or immature cereal crops, but it is also used ...
for grazing livestock on the northern Great Plains. It is consumed by cattle and horses, and less often by sheep. It is not a favorite forage plant for livestock because its leaves are coarse in texture.


References


External links


The Nature Conservancy
{{Taxonbar, from=Q5018375 montanensis Grasses of the United States