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Rhodiola rosea L. - Crassulaceae - roseroot, golden root,rosewort, Rosenwurz
Deciduous, dioecious perennial, up to 30cm high, native to the northern hemisphere on moisty, rocky ledges and talus of coastal cliffs in the north and of north-facing cliffs; leaves ovate to obovate or oblong; flower petals pale yellow to greenish yellow, sometimes red at tips;
„ R. T. Clausen (1975) noted significant differences among wild populations of Rhodiola rosea [as Sedum rosea] but found that most lost significance when the plants were grown together at Ithaca. He found that staminate plants outnumber pistillate by about 1.2-1.9 to 1 and that an occasional plant has both staminate and pistillate flowers in the same cyme. From meiosis in staminate plants A. Levan (1933) reported one bivalent as slightly heteromorphic and possibly a sex-chromosome pair of the XY type, but C. H. Uhl (1952) noted no heteromorphic bivalents. Roseroot has a long history as a medicinal plant; Clausen summarized what was known of its chemistry and its uses. The name „roseroot“ is from the roselike odor of the dried rootstock.“
http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=200009865
„The first time that R. rosea is described was from Dioscorides in De Materia Medica.“ http://de.wikipedia.org/wiki/Rhodiola_rosea
Positivs Nutzen-Risiko-Verhältnis für die Anwendung zur vorübergehenden Linderung von Stresssymptomen wie Erschöpfung und Schwächegefühl: http://www.ema.europa.eu/docs/en_GB/document_library/Herbal_-_HMPC_assessment_report/2012/05/WC500127861.pdf
Foto: http://upload.wikimedia.org/wikipedia/commons/b/be/Rhodiola_rosea_a4.jpg
Werbeanzeige für Präparat Rhodiolan (Dr.Loges): 2014-05-15.pdf