Fig. 1

Studied holoparasitic Phelipanche ramosa and host-tobacco Nicotiana tabacum: (A) tobacco plantation in Brzeziny (Poland); (B) numerous parasites in tobacco cultivation; (C) P. ramosa attached to the roots of the host-tobacco; (D–F) inflorescence, flower and stigma of tobacco; (G–I)—inflorescence, flower and stigma of P. ramosa. Scale bars: 1000 µm (F), 500 µm (I).