About Phtheirospermum japonicum (Thunb.) Kanitz
Phtheirospermum is a monotypic genus of flowering plants in the Orobanchaceae family. This genus contains only one species: Phtheirospermum japonicum (Thunb.) Kanitz. This species is hemiparasitic, has a broad host range, and is commonly used as a model species for studying plant parasitism. Its native distribution extends from the Russian Far East to Korea.