Tinkturenpresse

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Hippocrepis emerus (L.) Lassen syn. Coronilla emerus L. -  scorpion senna, **Strauchkronenwicke**

Evergreen or deciduous shrub, up to 2m high, native to Europe, West Asia nad North Africa, introduced to California, Denmark, Great Britain, Transcaucasus. [[https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:946593-1|Plants of the World Online, Kew RBG]] \\
Twigs reen; leaves bright green, pinnate with small leaflets; flowers pale yellow; seed pods up to 10cm long, thin, green. [[https://www.rhs.org.uk/plants/77693/hippocrepis-emerus/details|RHS]]

|{{:phenylethanol.jpg| 2-phenylethanol}} \\ 2-phenylethanol | {{:indole.jpg| indole}} \\ indole | {{:elemene_beta.jpg|β-elemene }} \\ β-elemene | {{:2-aminobenzaldehyde.jpg| 2-aminobenzaldehyde}} \\ 2-aminobenzaldehyde |

"This dense leafy bush displays for several weeks in May yellow flowers which have a pronounced indole-like odor. The main constituents identified in the headspace are phenylethyl alcohol (37%) and its acetate (21%), indole (17.5%), beta elemene (6%), caryophyllene (3.5%), and E ocimene (3%). Other odorants of interest, although minor, are Z 3-hexenyl acetate (1%), methyl benzoate (0.2%), methyl phenylacetate (0.4%), 2-aminobenzaldehyde (trace) and methyl nicotinate (trace)." \\
[Joulain, D. „Study of the fragrance given off by certain springtime flowers.“ Progress in essential oil research (1986): 57-67]  


{{http://www.botanische-spaziergaenge.at/Bilder/LX_25/P1090138.JPG}} \\
[[https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:955247-1|Hippocrepis emerus subsp. emeroides]], Wien, 13.Hanschweg © Rolf Marschner (2023),  
[[http://botanische-spaziergaenge.at/viewtopic.php?f=580&t=5646| www.botanische-spaziergaenge.at]]