Lith·​o·​sper·​mum ˌlith-ə-ˈspər-məm How to pronounce Lithospermum (audio)
: a genus of herbs of the borage family (Boraginaceae) having polished white stony nutlets and including one (L. ruderale) used by some American Indians to make a tea held to prevent conception

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Cite this Entry

“Lithospermum.” Medical Dictionary, Merriam-Webster, Accessed 16 Apr. 2024.

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