Dryas


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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Dryas

 

a genus of plants of the family Rosaceae. They are procumbent evergreen shrubs with leathery leaves, glossy above and tomentose below. The flower stalks are erect, and the solitary, large flowers are white or sometimes yellow. There are usually eight or nine petals and sepals, and numerous stamens and pistils. There are more than ten species, growing in arctic and subarctic regions and in high mountains in the northern temperate zone. In the USSR about ten species may be found in tundras, barren places, and alpine meadows. The most widespread species are D. octopetala and D. punctata. The plants of this genus are used in landscaping small “alpine” hills.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

Dryas

hated mankind; avoided public appearances. [Rom. Myth.: Kravitz, 84]
Allusions—Cultural, Literary, Biblical, and Historical: A Thematic Dictionary. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Its larva is similar to the first instar of Dacnusa areolaris (Nees) (Haviland, 1922) and Dacnusa dryas (Nixon) (Guppy & Meloche 1987).
Este hecho esta en funcion de un viraje tecnologico que tendra repercusion en las estrategias economicas de las poblaciones de Dryas II, Allerad y Dryas III.
Previous to these finds only two localities revealed till overlying peat, so the extent of Younger Dryas glaciers could not be clearly established.
Dryas plants in fertilized plots remained green into the autumn of 1993 (C.
(2) Were the changes in vegetation brought about by the Younger Dryas qualitative (changes in taxa), or quantitative (similar taxa, but changes in abundance)?
For decades, scientists speculated that a comet could have caused the drop in temperature that occurred during a period known as the Younger Dryas. This period is crucial in the history of humanity as it is pinpointed as the era during which agricultural practices began and the first Neolithic civilizations made their mark.
Especies consideradas.--Los 19 taxa de mariposas estudiadas fueron: Archaeoprepona demophon muson (Fruhstorfer, 1905); Caligo idomeneus idomenides Fruhstorfer, 1903; Dione juno (Cramer, 1779); Dryadula phaetusa (Linnaeus, 1758); Dryas iulia alcionea (Cramer, 1779); Heliconius erato (Linnaeus, 1758); Heliconius numata Cramer, 1780; Heliconius sara sara (Fabricius, 1793); Heraclidesanchisiades (Esper, 1788); Heraclides thoascinyras (Menetries, 1857); Mechanitispolymnia (Linnaeus, 1758); Memphis acidalia acidalia (Hubner, 1819); Methona confusa psamathe (Godman & Salvin, 1898); Morpho helenor theodorus Fruhstorfer, 1907; Morpho marcus intermedia Kaye, 1917; Morpho menelaus occidentalis (C.
Both peninsulas are dominated by 'pioneer vegetation' (41% of the total coverage) and 'established Dryas tundra' (39%).
My analysis of the long-term phenology monitoring data from Tanquary Fiord showed that the midsummer-flowering mountain avens (Dryas integrifolia Vahl) has significantly advanced its flowering and fruiting times over the 20 years of monitoring, while the early spring-flowering purple saxifrage {Saxifraga oppositifolia L.) has not (Panchen and Gorelick, 2015).