The present investigation deals with the study of inaperturate pollen taxa of eleven (11) tree species of Karimnagar district, Telangana State. These taxa belong to Annonaceae, Eupharbiaceae, Hernandiaceae, Musaceae and Fabaceae-Mimosoideae families. The pollen of these arborescent plants have diversity in pollen morphological characters viz., symmetry, shape, polarity and ornamentation, but significantly all the pollen taxa have inaperturate apertural partten. This study provides palynological data of the inaperturate pollen taxa, which will expensive help in future palynotaxonomic studies in Karimnagar district.