Artemisia annua L. - Asteraceae - 黄花蒿 huang hua hao (chin.), annual wormwood, sweet wormwood, **Einjähriger Beifuß** 

Upright glabraus annual herb, 0.50-1.50m high, with aromatic smell, native to China, naturalized in Europe and North America, cultivated in Asia, southeastern Europe; stems woody at their base, lower leaves dead at flowering time; leaves bi- to tripinnate, terminal segments entire or incised, obtuse; flowerheads pendulous, up to 2mm in diameter; yellow flowers appearing in late summer and autumn. 

"Artemisia annua contains, among other essential oils, [[http://en.wikipedia.org/wiki/Artemisinin|artemisinin]] (青蒿素 qing hao su). It is well known in Traditional Chinese Medicine for its anti-inflammatory, antifebrile, and hemostatic properties, and artemisinin has become widely valued as an effective treatment for strains of Plasmodium resistant to other anti-malarial drugs." [[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200023164]]

{{http://www.plantillustrations.org/ILLUSTRATIONS_HD_/137689.jpg?500}} \\
Artemisia annua L. - sweet Annie, sweet wormwood- Kops et al., J., Flora Batava, vol. 22: t. 1697 (1906) \\
[[http://plantgenera.org/illustration.php?id_illustration=137689]]

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Artemisia annua,  [[https://creativecommons.org/licenses/by-sa/3.0/de/|CC BY-SA 3.0]], Author: Andreas Kraska