Tinkturenpresse

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Cymbopogon winterianus Jowitt ex Bor - Poaceae - citronella grass, Citronella Gras

„Perennial from a shallowly rooted rhizome. Culms tufted, robust, up to 2 m or more tall. Leaf sheaths glabrous, reddish inside; leaf blades relatively thin, drooping for 2/3 of their length, 40–80(–100) × 1–1.5(–2.5) cm … This species, known only from cultivation, produces citronella oil of a higher quality than that from Cymbopogon nardus.“
http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200025105

The essential oil of the leaves contain limonene 3.4%, citronellal 40.2%, citronellol 13.3%, geraniol 17.7%, elemene 2.7%, citronellyl acetate 4.5%, δ-cadinene 2.8%, geranyl acetate 4.6%, and elemol 4.7%.
[Fractionation of citronella (Cymbopogon winterianus) essential oiland concentrated orange oil phase by batch vacuum distillation, Stephani C. Beneti, Eline Rosset, Marcos L. Corazza, Caren D. Frizzo, Marco Di Luccio, J. Vladimir Oliveira, Journal of Food Engineering 102 (2011) 348–354] http://de.scribd.com/doc/56036245/Citronella

source: http://www.efloras.org/object_page.aspx?object_id=95126&flora_id=2