Robinia pseudoacacia
English: Yellow Locust, Common Acacia, False Acacia, North American Acacia, Black Locust, Locust Tree.
German: Falsche Akazie, Silberregen.
Botany: the wood of Robinia is very hard and rigid, nails can hardly penetrate it.
Content: cyanogenic glycoside; amoniacids, canavanine; lectins.