POLLEN TYPES OF THE TRIBE CARDUEAE IN THE IBERIAN PENINSULA

Abstract

A total of 339 samples from 200 taxa (28 genera) from the Iberian Peninsula belonging to the Tribe Cardueae Cass. (Compositae) were studied with LM, SEM and TEM to determine 20 pollen types. Descriptions include observations for 14 qualitative characters and measurements of 14 quantitative ones. The different types were distinguished on the apertural system and exine structure. A key has been prepared for the identification of these types described is carried out.