''Phleum alpinum'' 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 alpine cat's-tail,
alpine timothy and mountain timothy.
Distribution
''Phleum alpinum'' has a
circumboreal distribution, inhabiting northern areas of the
Northern Hemisphere, as well as extending down through the Americas to southern
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the sout ...
. It can be found on islands in the
subantarctic
The sub-Antarctic zone is a region in the Southern Hemisphere, located immediately north of the Antarctic region. This translates roughly to a latitude of between 46° and 60° south of the Equator. The subantarctic region includes many islands ...
region such as
South Georgia Island
South Georgia ( es, Isla San Pedro) is an island in the South Atlantic Ocean that is part of the British Overseas Territory of South Georgia and the South Sandwich Islands. It lies around east of the Falkland Islands. Stretching in the east†...
, on which it is one of the most common plant species.
[ Callaghan, T. V. and M. C. Lewis. (1971). The growth of ''Phleum alpinum'' L. in contrasting habitats at a sub-Antarctic station. ''New Phytologist'' 70:6 1143-54. ]
Description
''Phleum alpinum'' is a perennial
bunchgrass
Tussock grasses or bunch grasses are a group of grass species in the family Poaceae. They usually grow as singular plants in clumps, tufts, hummocks, or bunches, rather than forming a sod or lawn, in meadows, grasslands, and prairies. As perenni ...
forming loose clumps 20 to 60 centimeters tall. 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 cylindrical to oval mass of spikelets up to 6 centimeters long and 1.2 wide.
References
External links
Jepson Manual Treatment - ''Phleum alpinum''USDA Plants ProfileGrass Manual Treatment''Phleum alpinum'' - Photo gallery
Pooideae
Bunchgrasses of North America
Bunchgrasses of South America
Native grasses of California
Grasses of the United States
Grasses of Canada
Flora of Mexico
Flora of the California desert regions
Plants described in 1753
Taxa named by Carl Linnaeus
Flora without expected TNC conservation status
{{Pooideae-stub