Trisetum wolfii
Encyclopedia
Trisetum wolfii is a species of grass
known by the common name Wolf's trisetum. It is native to western North America, including southwestern Canada and the western United States. It occurs in mountain habitat at moderate to high elevation
s below the tree line, such as spruce
, fir
, and aspen
stands. It is a perennial grass forming clumps of erect stems growing up to about 80 centimeters in maximum height, occasionally reaching one meter. The narrow leaves are mostly located on the lower third of the clumped stems. The inflorescence
is a narrow, erect panicle
with spikelets green, brownish, or purple in color.
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 Wolf's trisetum. It is native to western North America, including southwestern Canada and the western United States. It occurs in mountain habitat at moderate to high elevation
Elevation
The elevation of a geographic location is its height above a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea level as an equipotential gravitational surface ....
s below the tree line, such as spruce
Spruce
A spruce is a tree of the genus Picea , a genus of about 35 species of coniferous evergreen trees in the Family Pinaceae, found in the northern temperate and boreal regions of the earth. Spruces are large trees, from tall when mature, and can be distinguished by their whorled branches and conical...
, fir
Fir
Firs are a genus of 48–55 species of evergreen conifers in the family Pinaceae. They are found through much of North and Central America, Europe, Asia, and North Africa, occurring in mountains over most of the range...
, and aspen
Aspen
Populus section Populus, of the Populus genus, includes the aspen trees and the white poplar Populus alba. The five typical aspens are all native to cold regions with cool summers, in the north of the Northern Hemisphere, extending south at high altitudes in the mountains. The White Poplar, by...
stands. It is a perennial grass forming clumps of erect stems growing up to about 80 centimeters in maximum height, occasionally reaching one meter. The narrow leaves are mostly located on the lower third of the 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, erect panicle
Panicle
A panicle is a compound raceme, a loose, much-branched indeterminate inflorescence with pedicellate flowers attached along the secondary branches; in other words, a branched cluster of flowers in which the branches are racemes....
with spikelets green, brownish, or purple in color.