Calamagrostis koelerioides
Encyclopedia
Calamagrostis koelerioides, Fire reedgrass, is a bunch grass species in the Poaceae
family.
Calamagrostis koelerioides is native to the Pacific Northwest
of the United States, with a distribution extending east to Wyoming
and south to California
, where it can be found in many habitat types.
This perennial bunch grass forms tufts up to about three feet/one meter tall. The inflorescence
is a dense array of spikelets with the individual branches bunched parallel along the stem. Each rough spikelet is about half a centimeter long and has a stiff, bent or twisted awn.
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...
family.
Calamagrostis koelerioides is native to the Pacific Northwest
Pacific Northwest
The Pacific Northwest is a region in northwestern North America, bounded by the Pacific Ocean to the west and, loosely, by the Rocky Mountains on the east. Definitions of the region vary and there is no commonly agreed upon boundary, even among Pacific Northwesterners. A common concept of the...
of the United States, with a distribution extending east to Wyoming
Wyoming
Wyoming is a state in the mountain region of the Western United States. The western two thirds of the state is covered mostly with the mountain ranges and rangelands in the foothills of the Eastern Rocky Mountains, while the eastern third of the state is high elevation prairie known as the High...
and south to California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
, where it can be found in many habitat types.
This perennial bunch grass forms tufts up to about three feet/one meter tall. 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 dense array of spikelets with the individual branches bunched parallel along the stem. Each rough spikelet is about half a centimeter long and has a stiff, bent or twisted awn.