@article {5156, title = {Studies in Annonaceae XVI. A taxonomic revision of Duguetia A.F.C.P. de Saint-Hilaire sect. Duguetia (Annonaceae) in eastern Brazil}, journal = {Boletim do Museu Paraense Em{\'\i}lio Goeldi, s{\'e}ries Bot{\^a}nicaBoletim do Museu Paraense Em{\'\i}lio Goeldi, s{\'e}ries Bot{\^a}nica}, volume = {9}, year = {1993}, note = {055}, pages = {143-205}, author = {He, Ping and P. J. M. Maas} } @article {5157, title = {Studies in Annonaceae XXIX. Multivariate analyses of the morphological variation and systematic study in the Duguetia calycina complex}, journal = {Botanische Jahrb{\"u}cher f{\"u}r Systematik, Pflanzengeschichte und PflanzengeographieBotanische Jahrb{\"u}cher f{\"u}r Systematik, Pflanzengeschichte und Pflanzengeographie}, volume = {118}, year = {1996}, note = {055}, pages = {365-405}, author = {He, Ping and P. J. M. Maas} }