What is the meaning of Black_locust?

A tree, Robinia pseudoacacia, in the subfamily Faboideae of the pea family Fabaceae, native to the southeastern United States, but widely planted and naturalized elsewhere in temperate North America, Europe and Asia; considered an invasive species in some areas.

Used other than figuratively or idiomatically: see black,‎ locust.

Source: wiktionary.org