PJB-2001-3
POLLEN MORPHOLOGY OF SILENE L. (CARYOPHYLLACEAE) FROM TURKEY
KEMAL YILDIZ
Abstract
Morphology of pollen grains of 13 species (3 of which are endemics in Turkey) belonging to nine sections of the genus Silene L., (Caryophyllaceae), collected from Northwest Anatolia in Turkey, was investigated using light, scanning electron (SEM) and projectina screen scale microscopy. The pollen grains were pantoporate, spheroidal and semitectate with perforations, spinulose exine. S. rhynchocarpa Boiss., with highest number and S. otites (L.) Wibel with lowest number of pores have the right taxonomical positions. The taxonomical position of S. compacta Fischer and S. dichotoma Ehrh. subsp. sibthorpiana (Reichb) Reich., which have flowers forming heads and are monochasial is disputed because they have lower pore number in relation to the other taxa, although they have other phylogenetically advanced characteristics.
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