Carex firma
Encyclopedia
Carex firma is a species of sedge
that grows in the mountains of southern and central Europe.
. Its leaves are up to 8 centimetres (3.1 in) long in normal conditions (up to 10 cm or 4 in in moist, sheltered localities), dark green and stiff. The stems are up to 20 cm (7.9 in) tall (exceptionally 30 cm or 11.8 in), but always at least twice as long as the leaves.
in the alpine zone over calcareous rock.
Carex firma can survive temperature
s as low as -50 C.
by Nicolaus Thomas Host
in 1797, in his work Synopsis Plantarum in Austria provinciisque adjacentibus sponte crescentium.
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...
that grows in the mountains of southern and central Europe.
Description
Carex firma forms thick cushionsCushion plant
A cushion plant is a compact, low growing, mat forming plant that is found in alpine, subalpine, arctic, or subarctic environments around the world...
. Its leaves are up to 8 centimetres (3.1 in) long in normal conditions (up to 10 cm or 4 in in moist, sheltered localities), dark green and stiff. The stems are up to 20 cm (7.9 in) tall (exceptionally 30 cm or 11.8 in), but always at least twice as long as the leaves.
Ecology
In synecology, Carex firma is a characteristic part of the "" (also called ""), which is an important communityCommunity (ecology)
In ecology, a community is an assemblage of two or more populations of different species occupying the same geographical area. The term community has a variety of uses...
in the alpine zone over calcareous rock.
Carex firma can survive temperature
Temperature
Temperature is a physical property of matter that quantitatively expresses the common notions of hot and cold. Objects of low temperature are cold, while various degrees of higher temperatures are referred to as warm or hot...
s as low as -50 C.
Taxonomy
Carex firma was first describedAlpha taxonomy
Alpha taxonomy is the discipline concerned with finding, describing and naming species of living or fossil organisms. This field is supported by institutions holding collections of these organisms, with relevant data, carefully curated: such institutes include natural history museums, herbaria and...
by Nicolaus Thomas Host
Nicolaus Thomas Host
Nicolaus Thomas Host was an Austrian botanist, and the personal physician of Holy Roman Emperor Francis II. His botanical works include Synopsis plantarum in Austria and the four-volume Austriacorum Icones et descriptions graminum; he was also the first director of the botanical garden at the...
in 1797, in his work Synopsis Plantarum in Austria provinciisque adjacentibus sponte crescentium.