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Matricaria discoidea DC. - syn.Chamomilla suaveolens (Pursh) Rydb.; Santolina suaveolens Pursh - Asteraceae
rayless chamomile, pineapple-weed, Strahlenlose Kamille
Annual herb, up to 40cm tall, native to North America, naturalized in Europe and Asia.
Main components of the essential oil (0.1% w/w d.w.) from aerial parts of Matricaria discoidea grown in Alberta, Canada, were myrcene (28.5%), (E)-β-farnesene (23.4%), germacrene D (6.8%), geranyl isovalerate (6.4%) and (Z)-en-yne-dicycloether (8.1%).
[Lopes, Daise, and Paul P. Kolodziejczyk. „Essential oil composition of pineapple-weed (Matricaria discoidea DC.) grown in Canada.“ Journal of Essential Oil Bearing Plants 8.2 (2005): 178-182]
(Z)-en-yne-dicycloether
C.suaveolens [flowers?] contained 0.12% essential oil. (Z)-en-yne-dicycloether (37%), geranyl isovalerate (22%), and (E)-β-farnesene (15%) are the main components. Chamazulene is the typical constituent of the essential oil of C. recutita, but was found in C.suaveolens at only 0.5%.
[Content and composition of essential oils in some Asteraceae species., Raal, A., Kaur, H., Orav, A., Arak, E., Kailas, T., Muurisepp, M., Proceedings of the Estonian Academy of Sciences, Vol.60(1), 2011, 55-63]
http://kirj.ee/public/proceedings_pdf/2011/issue_1/proc-2011-1-55-63.pdf
Kops et al., J., Flora Batava, vol. 20: t. 1597 (1898)
http://plantgenera.org/species.php?id_species=647701
Matricaria discoidea
© Rolf Marschner (2006),
www.botanische-spaziergaenge.at