Pollen morphological study in Bordasia bicornis (Malvaceae)

Abstract

Pollen grains of Bordasia bicornis Krapov. were studied and described with light and scanningelectron microscopy. They showed palynological affinity with species of genus Sida L,therefore they were compared with 39 species of Argentina, Brasil, Colombia. Mexico, SouthAfrica, India, Thailand, Philippines, Texas and Florida U.S.A. Bibliographic and personal datawere used. Affinities in the structure of the exine and height of the spines as well as differencesin apertures number and pores without thicker ring were found