Nardus
| Matgrass | |
|---|---|
| File:Nardus stricta mountain medow.JPG | |
| Scientific classification | |
| Kingdom: | |
| (unranked): | |
| (unranked): | |
| (unranked): | |
| Order: | |
| Family: | |
| Subfamily: | |
| Tribe: |
Nardeae
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| Genus: |
Nardus
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| Binomial name | |
| Nardus stricta |
|
| Synonyms[1][2] | |
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Nardus is a genus of plants belonging to the grass family, containing the single species Nardus stricta, known as matgrass.[3] It is placed in its own tribe Nardeae within the subfamily Pooideae. The name derives from nardos (νάρδος), the ancient Greek name for this plant. It is not to be confused with spikenard, Nardostachys jatamansi.
Distribution and ecology
Nardus strica is native to Eurasia (from Iceland and the Azores to Mongolia), North Africa (Algeria, Morocco), and northeastern North America (Greenland, eastern Canada, and the northeastern United States).[1][4]
Nardus stricta occurs on heath, moorland, hills, and mountains on nutrient poor acidic sandy to peaty soils and is strongly calcifuge, avoiding calcareous soils. It can occur from low elevations to over 1,000 metres (3,300 ft), becoming a community-dominant in late snow patches on mountains. Nardus stricta may also become a dominant species in habitats grazed by cattle or sheep because it is tough and unpalatable.[5][6]
It flowers from June until August. Apomixis is found to be common in this plant, with extensive colonies often proving to be a single clone.
Description
Culms are erect and Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). long, with grey-green leaf-blades filiform and involute, ranging from Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). long by Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). wide, i.e. bristle like. The ligules of basal leaves are Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). long and blunt, while those of culm leaves are longer, up to Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value)., and more pointed.[7]
The roots and shoots are very closely packed together at the base of the plant producing a white, tough, highly reflective feature. The spikelets are very slender and loosely overlapping in two rows each side of the spikelet axis. Each lemma is tipped with a short awn.[8]
References
- ↑ 1.0 1.1 Kew World Checklist of Selected Plant Families
- ↑ Tropicos, Nardus L.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
Data related to Nardus at Wikispecies
Media related to Lua error in package.lua at line 80: module 'strict' not found. at Wikimedia Commons- USDA Plants Database
- Germplasm Resources Information Network (GRIN)
- Global Biodiversity Information Facility (GBIF)
- Original description by Carl Linnaeus in Species Plantarum (1753)
