Trisetum spicatum
Encyclopedia
Trisetum spicatum is a species of grass
Poaceae
The Poaceae is a large and nearly ubiquitous family of flowering plants. Members of this family are commonly called grasses, although the term "grass" is also applied to plants that are not in the Poaceae lineage, including the rushes and sedges...

 known by the common name spike trisetum. It is native to North America, Eurasia, and South America. In North America it occurs throughout northern regions, including northern sections of the United States and most all of Canada, its range continuing to Greenland
Greenland
Greenland is an autonomous country within the Kingdom of Denmark, located between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago. Though physiographically a part of the continent of North America, Greenland has been politically and culturally associated with Europe for...

. It is widespread throughout the Canadian Arctic Islands
Northern Canada
Northern Canada, colloquially the North, is the vast northernmost region of Canada variously defined by geography and politics. Politically, the term refers to the three territories of Canada: Yukon, Northwest Territories, and Nunavut...

. The grass occurs in a variety of Arctic and alpine
Alpine climate
Alpine climate is the average weather for a region above the tree line. This climate is also referred to as mountain climate or highland climate....

 habitat types, as well as many types of mountainous habitat in regions farther south. It is a perennial grass forming clumps of erect stems ranging in height from just a few centimeters to over one meter. The narrow leaves are mostly located around the bases of the densely clumped stems. The inflorescence
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. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

is a narrow spike a few centimeters long or up to 30 to 50 centimeters in maximum length. The spikes are green to purple or brownish and shiny.

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