ABSTRACT
The Reserva Biológica da Represa do Grama is situated in Descoberto, Minas Gerais, and consists of 263.8 hectares of semideciduous forest. The following five genera and seven species of Annonaceae have been recorded from the Reserva: Annona cacans, Guatteria nigrescens, G. sellowiana, Rollinia dolabripetala, Unonopsis bauxitae, Xylopia brasiliensis, X. sericea, and the new species Unonopsis bauxitae, here described. Key for the species, descriptions, illustrations, and comments on the phenology, habitats, and distribution are included.
Key-words:
Annona; Guatteria; Rollinia; Unonopsis bauxitae; Xylopia; Atlantic forest; Reserva do Grama