MARRUBIUM

:''For the ancient city in Italy called Marrubium, see San Benedetto dei Marsi''
'''Marrubium''' ('horehound') is a genus of about 40 species of flowering plants in the family Lamiaceae, native to temperate regions of Europe and Asia.
;Selected species

★ ''Marrubium alternidens''

★ ''Marrubium alysson''

★ ''Marrubium cylleneum''

★ ''Marrubium friwaldskyanum''

★ ''Marrubium incanum''

★ ''Marrubium kotschyi''

★ ''Marrubium leonuroides''

★ ''Marrubium libanoticum''

★ ''Marrubium peregrinum''

★ ''Marrubium pestalozzae''

★ ''Marrubium rotundifolia''

★ ''Marrubium supinum''

★ ''Marrubium thessalum''

★ ''Marrubium velutinum''

★ ''Marrubium vulgare'' - White Horehound or Common Horehound
The genus name ''Marrubium'' derives from the Hebrew ''marrob'' or bitter juice. The common name horehound is of unknown origin, but with the first part 'hore' derived from "hoary", "hairy".
The species formerly classified as ''Marrubium nigrum'' (Black Horehound) is now placed in the genus ''Ballota''.
''Marrubium'' species are used as food plants by the larvae of some Lepidoptera species including ''Coleophora lineolea''.