Micrographs of selected stigmas of the studied species. A Orobanche alsatica B O. bartlingii C O. caryophyllacea D O. kochii E O. lutea F O. picridis G Phelipanche arenaria H P. ramosa. 1 front view 2 bottom view 3 lateral view 4 back view. Scale bars: 1000 µm (A1–A3, B1–C4, D3, E1–E4, G1, G3); 500 µm (A4, D1, D2, D4, F1–F4, G2, G4, H3); 100 µm (H1, H2, H4). Phot. K. Ruraż, J. Posłowska and K. Zubek.