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Nardus

Genus of grasses

Genus of grasses

  • Natschia Bubani
  • Natschia stricta (L.) Bubani
  • Nardus glabriculmis Sakalo
  • Nardus stricta var. glabriculmis (Sakalo) Tzvelev

Nardus is a genus of plants belonging to the grass family, containing the single species Nardus stricta, known as matgrass. It is placed in its own tribe Nardeae within the subfamily Pooideae. The name derives from ancient Greek nardos (νάρδος) from the earlier Akkadian lardu. It is not to be confused with spikenard, Nardostachys jatamansi.

Distribution and ecology

Nardus stricta 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).

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 1000 m, 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.{{cite journal|author1=Brynmor Thomas |author2=C. B. Fairbairn |year=1956 |title=The white bent (Nardus stricta): its composition, digestibility and probable nutritive value

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 25 – long, with grey-green leaf-blades filiform and involute, ranging from 4 – long by 0.5 – wide, i.e. bristle like. The ligules of basal leaves are 0.4 - long and blunt, while those of culm leaves are longer, up to 2 mm, and more pointed.

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.

References

References

  1. [http://apps.kew.org/wcsp/synonomy.do?name_id=425433 Kew World Checklist of Selected Plant Families]
  2. [http://www.tropicos.org/Name/40025241 Tropicos, ''Nardus'' L.]
  3. {{BSBI 2007
  4. "''Nardus''". [[The Plant List]].
  5. D. Welch. (1986). "Studies in the grazing of heather moorland in north-east Scotland. V. Trends in ''Nardus stricta'' and other unpalatable graminoids". [[Journal of Applied Ecology]].
  6. (2009). "Grasses of the British Isles". [[Botanical Society of the British Isles]].
  7. C. E. Hubbard. (1984). "Grasses: a Guide to their Structure, Identification, Uses and Distribution in the British Isles". [[Penguin Books]].
Info: Wikipedia Source

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pooideae monotypic-poaceae-genera
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