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
large thorny tree of eastern and central United States having pinnately compound leaves and drooping racemes of white flowers; widely naturalized in many varieties in temperate regions strong stiff wood of a black-locust tree; very resistant to decay
A deciduous tree (Robinia pseudoacacia) in the pea family, native to the eastern and central United States and having alternate, pinnately compound leaves, spiny stipules, and hanging clusters of fragrant, creamy-white flowers