Bull horn acacia is a common name for several plants in ''
Vachellia
''Vachellia'' is a genus of flowering plants in the legume family, Fabaceae, commonly known as thorn trees or acacias. It belongs to the subfamily Mimosoideae. Its species were considered members of genus '' Acacia'' until 2009. ''Vachellia'' ...
'' with large thorns resembling a bull's horns:
*''
Vachellia collinsii'', native to Central America and parts of Africa
*''
Vachellia cornigera
''Vachellia cornigera'', commonly known as bullhorn acacia (family Fabaceae), is a swollen-thorn tree native to Mexico and Central America. The common name of "bullhorn" refers to the enlarged, hollowed-out, swollen thorns (technically called sti ...
'', native to Mexico and Central America
*''
Vachellia sphaerocephala
''Vachellia sphaerocephala'', the bull's horn thorn or bee wattle, is a plant species in the family Fabaceae. The name comes from the shape of the thorns which do indeed resemble the horns of a bull. The tree has a strong, symbiotic relationship ...
'', endemic to Mexico
{{Plant common name