Tinkturenpresse

Acacia mearnsii De Wild. - syn.Acacia decurrens var. mollis; Acacia mollissima auct.; Racosperma mearnsii (De Wild.) Pedley - Fabaceae
black wattle, tan wattle, Australian acacia, Australische Akazie, Gerberakazie, Schwarzholz-Akazie

Evergreen shrub or tree, up to 15m tall, native to Australia, naturalized and cultivated elsewhere; branchlets gray-white tomen­tose; young leaves golden tomentose, mature leaves gray pu­bescent, pinnae 6-30 pairs, leaflets 10-68 pairs, dense, linear; flowers yellowish or white; legume black, oblong, flat, 5-10cm long, slightly constricted between seeds, pubescent; seeds black, shiny, ovoid.
„This species is grown for its tannins and as a honey plant.“
http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200011854

„This plant is now known as one of the worst invasive species in the world.“
http://en.wikipedia.org/wiki/Acacia_mearnsii

„The tannin compounds extracted from the bark of Acacia mearnsii are commonly used in the production of soft leather. A range of other products, such as resins, thinners and adhesives, can also be made from bark extracts… Acacia mearnsii has some known medical applications, such as its use as a styptic or astringent.“
[100 of the World's Worst Invasive Alien Species. Global Invasive Species Database., retrieved 2015-05-03]
http://www.issg.org/database/species/ecology.asp?si=51&fr=1&sts=&lang=EN

The activity of A.mearnsii bark extracts against some enteric organisms like E.coli may provide an explanation to the ethnomedicinal use of A.mearnsii in the treatment of gastro-intestinal diseases like diarrhoea and stomach ache (like tannin-rich Senegalia catechu extracts).
[Antibacterial activity of the stem bark extracts of Acacia mearnsii De Wild., Mbolekwa, B.N., Kambizi, L., Songca, S.P., Oluwafemi, O.S., African Journal of Microbiology Research, Vol.8(2), 2014, 211-216]
http://www.academicjournals.org/article/article1389084679_Mbolekwa%20et%20al.pdf

picture source: Forest Starr and Kim Starr CC BY-SA 3.0
http://www.starrenvironmental.com/images/species/?q=acacia+mearnsii&o=plants