In this study, pollen and seed morphology, leaf and stem anatomy of four Veronica L. species (Scrophulariaceae) one of which is endemic (V. multifida) belonging to four Sections [V. persica (Sect. Pocilla), V. beccabunga (Sect. Beccabunga), V. officinalis and V. multifida (Sect. Veronica)] grown in Turkey have been studied on light and scanning electron microscopy. Different and similar features of these species were described.
Ayse Kaplan, Asli Hasanoglu and Ikbal Agah Ince , 2007. Morphological, Anatomical and Palynological Properties of Some Turkish Veronica L. Species (Scrphulariaceae). International Journal of Botany, 3: 23-32.