Orobanche ingens from Kiler in Dagestan A, B habitat and general habit C attachment with host root of Heracleum sosnowskyi D top of inflorescence E flowers in front view F flower in lateral view G flower in longitudinal-section. Phot. A. Fateryga.

  Part of: Piwowarczyk R, Sánchez Pedraja Ó, Fateryga AV, Svirin SA (2022) Orobanche ingens (Orobanchaceae) – a poorly known species of the Greater Caucasus: taxonomic problems, distribution, hosts and habitats. PhytoKeys 193: 55-66. https://doi.org/10.3897/phytokeys.193.79886