white horehound


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Related to white horehound: common horehound, Marrubium vulgare
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Noun1.white horehound - European aromatic herb with hairy leaves and numerous white flowers in axillary cymeswhite horehound - European aromatic herb with hairy leaves and numerous white flowers in axillary cymes; leaves yield a bitter extract use medicinally and as flavoring
horehound - any of various aromatic herbs of the genus Marrubium
References in periodicals archive ?
Many of these introduced plants have become weeds, including St John's wort (Hypericum perforatum), plantain (Plantago lanceolata), white horehound (Marrubium vulgare), mullein (Verbascum thapsus), chickweed (Stellaria media), nettle (Urtica dioica), shepherd's purse (Capsella bursa-pastoris), dandelion (Taraxacum officinalis) and yellow dock (Rumex crispus) (Lamp 1983).
Among the more unusual, we have liquorice, white horehound, elecampane, vervain and betony.