Locust tree can mean: * Any of a number of tree species in the genera ''

Gleditsia ''Gleditsia'' (honey locust) is a genus of trees in the family Fabaceae, subfamily Caesalpinioideae, native to North America and Asia. The Latin name commemorates Johann Gottlieb Gleditsch, director of the Berlin Botanical Garden, who died in 1 ...

'' or ''

Robinia ''Robinia'' is a genus of flowering plants in the family Fabaceae, tribe Robinieae, native to North America. Commonly known as locusts, they are deciduous trees and shrubs growing tall. The leaves are pinnate with 7–21 oval leaflets. The flo ...

'', including: ::

Honey locust The honey locust (''Gleditsia triacanthos''), also known as the thorny locust or thorny honeylocust, is a deciduous tree in the family Fabaceae, native to central North America where it is mostly found in the moist soil of river valleys. Hon ...

(''Gleditsia triacanthos''), a leguminous tree with pods having a sweet, edible pulp ::

Black locust ''Robinia pseudoacacia'', commonly known in its native territory as black locust, is a medium-sized hardwood deciduous tree, belonging to the tribe Robinieae of the legume family Fabaceae. It is endemic to a few small areas of the United States ...

(''Robinia pseudoacacia''), a leguminous tree with toxic pods ::

Water locust ''Gleditsia aquatica'', commonly called water locust or swamp locust after its habitat of river swamps and slough margins, is a tree native to the Southeastern United States and adjacent regions. Description ''Gleditsia aquatica'' often grows 50 ...

(''Gleditsia aquatica''), a leguminous tree with one seed per pod * Or less commonly, "African locust bean tree" (''

Parkia biglobosa ''Parkia biglobosa'', known in English as the African locust bean, is a perennial deciduous tree in the family Fabaceae. It is found in a wide range of environments in Africa and is primarily grown for its pods that contain both a sweet pulp and ...

''), which is also known as néré * Also not commonly, the

carob The carob ( ; ''Ceratonia siliqua'') is a flowering evergreen tree or shrub in the Caesalpinioideae sub-family of the legume family, Fabaceae. It is widely cultivated for its edible fruit pods, and as an ornamental tree in gardens and lands ...

tree, ''Ceratonia siliqua'', whose pods are called ''locust beans''.

Etymology

"Locust" comes from the Latin ''locusta'', meaning both "

locust Locusts (derived from the Vulgar Latin ''locusta'', meaning grasshopper) are various species of short-horned grasshoppers in the family Acrididae that have a swarming phase. These insects are usually solitary, but under certain circumstanc ...

" (the insect) and " lobster". By analogy with a

levant The Levant () is an approximate historical geographical term referring to a large area in the Eastern Mediterranean region of Western Asia. In its narrowest sense, which is in use today in archaeology and other cultural contexts, it is ...

ine use of the Greek word for the insect, ''akris'', for the pods of the carob tree which supposedly resembled it, the pod-bearing North American tree was called "locust" starting in the 1630s.

References

{{Plant common name