Robinia origin

The black locust (Robinia pseudoacacia) is a deciduous tree and belongs to the subfamily of the Fabaceae within the family Fabaceae (legumes). It is originally native to North America and was introduced to Europe in the 17th century. It is now widespread in many parts of the world and is used as an ornamental plant and as a crop (e.g. for wood).

The black locust tree has a broad, rounded crown and grows up to 30 meters tall. Its white or light pink flowers appear in May and June. They are arranged in hanging, racemose inflorescences and smell of bergamot.
The leaves are alternate and They are odd-pinnate and consist of 9–19 leaflets. They turn yellow in autumn. 
The elongated red-brown legumes contain brown seeds. These, like the bark, wood and plant sap, contain significant amounts of toxic proteins, so-called toxalbumins. The seeds give off a sweet, lovely smell, which makes them particularly dangerous for children, as they tend to put them in their mouths.

In Germany, the black locust is considered an invasive neophyte and is classified as a threat to biodiversity.

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