Marrubium

Marrubium is a genus of flowering plants in the family Lamiaceae, native to temperate regions of Europe, North Africa, and Asia as far east as the Xinjiang region of western China. A few species are also naturalized in North and South America.SpeciesMarrubium alyssoides Pomel – Algeria, Morocco Marrubium alysson L. – Mediterranean from Spain + Morocco to Palestine Marrubium anisodon K.Koch – Greece, Albania, Crimea, southwest Asia from Turkey to Kashmir Marrubium aschersonii Magnus – Tunisia Marrubium astracanicum Jacq. – Caucasus, Iran, Iraq, Turkey Marrubium atlanticum Batt. – Morocco Marrubium ayardii Maire – Morocco Marrubium × bastetanum Coincy – Spain (M. supinum × M. vulgare) Marrubium bourgaei Boiss. – Turkey Marrubium catariifolium Desr. – Caucasus, Turkey Marrubium cephalanthum Boiss. & Noë – Turkey Marrubium cordatum Nábelek – Iran, Iraq, Turkey Marrubium crassidens Boiss. – Iran, Iraq Marrubium cuneatum Banks & Sol. – Iran, Iraq, Turkey, Syria, Lebanon, Palestine Marrubium cylleneum Boiss. & Heldr. – Greece Marrubium depauperatum Boiss. & Balansa – Turkey Marrubium duabense Murata – Iran, Afghanistan Marrubium echinatum Ball – Morocco Marrubium eriocephalum Seybold – Iraq Marrubium fontianum Maire – Rif in northern Morocco Marrubium friwaldskyanum Boiss. – Bulgaria Marrubium glechomifolium Freyn & Conrath – Caucasus Marrubium globosum Montbret & Aucher ex Benth. – Turkey, Syria, Lebanon Marrubium heterocladum Emb. & Maire – Rif in northern Morocco Marrubium heterodon (Benth.) Boiss. & Balansa – Turkey Marrubium hierapolitanum Mouterde – Syria Marrubium × humbertii Emb. & Maire – Morocco (M. ayardii × M. multibracteatum) Marrubium incanum Desr. – Italy, Greece, Albania, Yugoslavia, Bulgaria Marrubium leonuroides Desr. – Caucasus, Crimea Marrubium litardierei Marmey – Morocco Marrubium lutescens Boiss. & Heldr. – Turkey Marrubium multibracteatum Humbert & Maire – Morocco Marrubium × paniculatum Desr. – Austria, Czech Republic, Yugoslavia (M. peregrinum × M. vulgare) Marrubium parviflorum Fisch. & C.A.Mey. – Turkey, Iran, Caucasus Marrubium peregrinum L. – central + Eastern Europe, Turkey, Caucasus Marrubium persicum C.A.Mey – Turkey, Iran, Caucasus Marrubium pestalozzae Boiss. – Greece, Bulgaria, Romania, Moldova, Ukraine, Crimea Marrubium plumosum C.A.Mey. – Caucasus Marrubium procerum Bunge – Iran Marrubium propinquum Fisch. & C.A.Mey. – Iran, Caucasus Marrubium rotundifolia Boiss. – Turkey Marrubium sivasense Aytaç, Akgül & Ekici – Turkey Marrubium supinum L. – Spain, Morocco, Algeria, Tunisia Marrubium thessalum Boiss. & Heldr. – Albania, Greece Marrubium trachyticum Boiss. – Turkey Marrubium vanense Hub.-Mor. – Turkey Marrubium velutinum Sm. – Greece Marrubium vulcanicum Hub.-Mor. – Turkey Marrubium vulgare L. – White horehound or common horehound – widespread from Denmark + Azores + Canary Islands east to Xingiang; naturalized in New Zealand, New Caledonia, Hawaii, Easter Island, North + South America

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