ABSTRACT
The "Reserva Biológica da Represa do Grama", located in the Municipality of Descoberto, Minas Gerais State, has 263,8 hectares, mostly covered by seasonal, semideciduous forest. Apocynaceae s.l. is represented in the area by 12 species and 11 genera (Asclepias, Aspidosperma, Condylocarpon, Ditassa, Forsteronia, Himatanthus, Macroditassa, Matelea, Rauvolfia, Secondatia e Tabernaemontana). Keys for genera and species, descriptions, illustrations, distribution and comments for each species are provided.
Key words: Asclepiadaceae; flora; Zona da Mata; semidecidous forest