ABSTRACT
Acacia globosa and A. limae are described and illustrated. Acacia globosa is similar to A. riparia, from which it differs in the number of pairs of pinnae 5-7, by the petiole, sericeous rachis and leaflets. Acacia limae is also close to A. riparia, differing in the stipitate and clavate petiole glands. The first species is endemic in the state of Bahia, and the second is found in the states of Bahia, Pernambuco and Minas Gerais.
Key-words:
Acacia; Leguminosae; Mimosoideae; caatinga; Brazil