Carex haydeniana
Encyclopedia
Carex haydeniana is a species of sedge
known by the common name cloud sedge. It is native to western North America from British Columbia
to California
to New Mexico
, where it grows in moist, rocky areas in subalpine
and alpine climate
s. This sedge produces clumps of drooping to decumbent stems up to 30 or 40 centimeters long, often much shorter. There are a few flat leaves per stem, each up to about 16 centimeters long. The inflorescence
is a dense dark brown spherical cluster of indistinct spikelets.
Carex
Carex is a genus of plants in the family Cyperaceae, commonly known as sedges. Other members of the Cyperaceae family are also called sedges, however those of genus Carex may be called "true" sedges, and it is the most species-rich genus in the family. The study of Carex is known as...
known by the common name cloud sedge. It is native to western North America from British Columbia
British Columbia
British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...
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...
to New Mexico
New Mexico
New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...
, where it grows in moist, rocky areas in subalpine
Subalpine
The subalpine zone is the biotic zone immediately below tree line around the world. Species that occur in this zone depend on the location of the zone on the Earth, for example, Snow Gum in Australia, or Subalpine Larch, Mountain Hemlock and Subalpine Fir in western North America.Trees in the...
and alpine climate
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....
s. This sedge produces clumps of drooping to decumbent stems up to 30 or 40 centimeters long, often much shorter. There are a few flat leaves per stem, each up to about 16 centimeters long. 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 dark brown spherical cluster of indistinct spikelets.