Pollen morphology of some Fabaceae species from Patos de Minas, Minas Gerais State, Brazil

ABSTRACT This paper presents a palinologycal study of 16 Fabaceae species (Bauhinia variegata (L.), Caesalpinia echinata Lam., C. pulcherrima (L.) Sw., Calliandra surinamensis Benth., Cassia grandis L. f., Delonix regia (Bojer ex Hook.) Raf., Inga vera Willd., I. laurina (Sw.) Willd., Mimosa caesalpiniifolia Benth., M. pudica L., Myroxylon peruiferum L. f., Platypodium elegans Vogel, Poincianella pluviosa (DC.) L.P. Queiroz, Senna multijuga (Rich.) H.S. Irwin & Barneby, S. polyphylla (Jacq.) H.S. Irwin & Barneby and Senna trachypus (Mart. ex Benth.) H.S. Irwin & Barneby), which occur in the Centro Universitário de Patos de Minas Campus I- UNIPAM, and in the urban area of the city. The results showed that Fabaceae is euripalinous, displaying small, medium, large and very large sized pollen grains, dispersed in monads, tetrads and polyads, 3-colporate, 3-colpate, 4-(5)-(6)-24-porate, and with psilate, rugulate, reticulate-rugulate, retipilate to striate-reticulate sexine.