Luzula


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Luzula

 

a genus of primarily perennial herbaceous plants of the family Juncaceae. The leaves, which have closed sheaths and flat or canaliculate blades, are usually covered on the margins with white hairs. The bisexual, inconspicuous flowers are solitary or in clusters, which form a spicate, umbellate, or capitate inflorescence. The perianth has six brown or greenish scalelike segments which remain during fruiting. The fruit is a one-celled capsule containing three seeds. The seeds are distributed by ants, which eat the caruncles.

There are approximately 80 species of Luzula, found in the cold and temperate zones, primarily in the northern hemisphere. They are also encountered in tropical highlands. Approximately 30 species are found in the USSR, mainly in the tundra and forest zones and in alpine regions. Particularly widespread are the hairy wood rush (L. pilosa), which grows in shady forests and thickets, and the many-headed wood rush (L. multiflora), which is found in meadows and forest edges. Both species are eaten by livestock and, in the tundra, by reindeer. The snowy wood rush (L. nivea), the hairy wood rush, and the greater wood rush (L. silvatica) are sometimes cultivated as ornamentals.

References in periodicals archive ?
La publicacion de Mexico's Juncaceer (Liebmann, 1850) requiere una especial consideracion ya que incluyo la descripcion de cinco especies nuevas de Juncus y Luzula en Mexico e informacion de otras descritas previamente (Buchenau, 1873).
The objective of this study was to observe and compare the responses of Luzula arctica and Luzula confusa to warming during the summer of 2010.
Herbaceous species of Calluna vulgaris, Luzula pilosa and Polygonatum odoratum were found only in the control site and still did not occur in the 4-year-old fire site (Table 1).
Todos estan escasamente citados en la provincia y 11 de ellos son novedad provincial: Callitriche brutia, Crypsis aculeata, Festucapaniculata, Lathyrus pratensis, Luzula campestris, Molineriella minuta, Nepeta tuberosa, Ononis rotundifolia, Orobanche caryophyllacea, Potentilla cinerea y Rhamnus alaternus.
The low ground vegetation comprised herbs (Carex pilulifera, Anthoxanthum odoratum, Luzula pilosa, Dryopteris carthusiana, Teucrium scorodonia, Scrophularia nodosa, and Silene dioica) or sparse brambles located under dense spruce (Picea abies) or oak (Quercus robur, Q.
But one of the woodrushes, Luzula nivea or Luzula sylvatica Auslesea, would provide evergreen colour and fill a bare and empty space.
Hydrocotyle americana + + Lobelia inflata + + Luzula multiflora + + Epilobium coloratum/ciliatum + + + Potentilla simplex + (+) 0.
Try Carex pendula and Luzula sylvatica "Taggart's Cream".
1991), who found that clonally replicated genotypes (to minimize maternal/environmental effects) originating from young and old buried seed populations of Luzula parviplora in Alaska showed persistent phenotypic differences in both common and multiple-environment experiments (see also McGraw 1993).
14 m, prados higrofilos de trasduna adscribibles a la Clase Molinio-Arrhenatheretea, sobre suelo perhumedo, acompanado de otras plantas con apetencias ecologicas similares, entre las que se pueden citar Myosotis secunda, Caradmine pratensis, Dactylorhiza elata, Anthoxanthum odoratum, Luzula multiflora, Galium palustre, Ranunculus repens, Mentha aquatica, Silene laeta, Cyperus longus, Cerastium fontanum subsp.
El nombre Luzula se origina del verbo en latin lucciola en referencia al brillo de la inflorescencia producido por el indumento que la recubre.