Mentha piperita (L.) Hudson – Peppermint; Lamiaceae (Labiatae) – Mint family. It is a hybrid of three species, M. spicata L. [M.longifolia (L.) Huds. + M. rotundifolia (L.) Huds] and M. aquatica. The raw material is the peppermint leaf and the leafy shoot tip.
Linum usitatissimum – Flax, cultivated flax; Linaceae family. Parts used in medicine include: ripe linseeds – Lini semen, cold pressed linseed oil – Lini oleum and pomace (flax flour) – Lini seminis placenta.
Plantago psyllium L. (Plantago afra L.); Plantaginaceae – Plantain family. The raw material is the whole, ripe seed.
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