Cochlearia


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Cochlearia

 

a genus of plants of the family Cruciferae. They are perennial, biennial, or annual herbs with simple leaves. The lower leaves are arranged in a rosette. The flowers, which are white or lilac, are in racemes. The fruit is a globose or ellipsoid silicle; the seeds are small.

There are approximately 25 species, distributed in the arctic and temperate regions of the northern hemisphere. Six species are found in the USSR—in the arctic, Baltic Region, and Carpathians. The species Cochlearia arctica is a succulent plant with white flowers and long-petioled, ovoid or cordate radical leaves that resemble spoons; it is found along the seashore and on clayey and sandy soils. The leaves, which contain an essential oil and vitamin C, are used for food and as an antiscorbutic agent. C. a rctica is sometimes cultivated like scurvy grass (C. officinalis), which grows in Western Europe on the northern coasts and in the mountains.

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Effect of NaCl on lipid metabolism in roots of the halotolerant species Cochlearia anglica.
Hoffman (1968, as cited in Elvebakk 1994) described an Oxyrio-Saxifragetum cernuae association from bird cliffs in eastern Svalbard, where Oxyria digyna, Saxifraga cernua, and Cochlearia officinialis were considered to be the species most favored by manuring.
1 - - - 1 2 7 Draba subcapitata - - - - - - 1 Draba fladnizensis - - - - - - 1 Draba lactea - - - - - - 2 Draba groenlandica - - - - - - 2 Draba nivalis - - 1 - - 1 6 Draba arctica - 1 - - 1 2 4 Draba glabella 1 1 - - - 2 15 Draba crassifolia - - - - - - 3 Draba adamsii - - - - - - 1 Draba alpina 1 1 1 - - 3 13 Cochlearia groenlandica 1 - - - - 1 1 Eutrema edwardsii - - - - - - 2 Lesquerella arctica - - - - - - 1 Braya purpurascens 1 - - - 1 2 3 Braya humilis - - - - - - 1 Cardamine bellidifolia - - - - - - 1 Arabis alpina - - - - - - 4 Salix arctica 1 1 - 1 1 4 44 Betula nana - 1 - - - 1 4 Oxyria digyna 1 1 1 1 1 5 30 Koenigia islandica - - - - - - 1 Polygonum viviparum 1 1 - 1 1 4 32 Cerastium arcticum coll.