How to use this page
- Search by Latin or common name (e.g., Achillea, yarrow).
- Jump A–Z to scan alphabetically (use “0–9” for numerals).
- Filter by Action (e.g., astringent), Preparation (tincture, infusion), or System (digestive, immune).
- Reset with Clear to see the full index again.
What an entry includes
- Scientific + common names, parts used, primary actions, systems, preparations.
- Safety snapshot and links to related Studies when available.
- Consistent black-and-white, field-guide style illustrations for quick recognition.
Editorial standards: Educational, research-aware, and non-diagnostic. See our Editorial Policy and Sourcing & Citations.
Medical disclaimer: For general education only. Consult a qualified practitioner about individual use, especially with medications, pregnancy, or medical conditions.
Materia Medica A – Z
Our herbal encyclopedia with preparations, uses, safety notes, and research references.
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Palmaria palmata Dulse Coming soon
Panax ginseng Asian Ginseng Coming soon
Panax quinquefolius American Ginseng Coming soon
Parsley seed Coming soon
Passionflower Coming soon
Passionflower herb Coming soon
Pau d’Arco Coming soon
Pelargonium sidoides South African Geranium Coming soon
Pennyroyal (caution) Coming soon
Peony (red) Coming soon
Peppermint Coming soon
Petasites hybridus Butterbur Coming soon
Pfaffia paniculata Suma Coming soon
Phellinus linteus Meshima Coming soon
Phyllanthus emblica L.
AntioxidantDigestive (digestant)HepatoprotectiveImmunomodulatorNutritiveRestorativeTonicTrophorestorative
Pimpinella anisum Anise Coming soon
Piper nigrum Black Pepper Coming soon
Plantago major Plantain Leaf Coming soon
Plantago ovata Psyllium Coming soon
Plantain leaf Coming soon