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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Skullcap (Chinese) Coming soon
Smilax ornata Sarsaparilla Coming soon
Solomon’s seal Coming soon
Sparassis crispa Cauliflower Mushroom Coming soon
Spearmint Coming soon
Spilanthes (toothache plant) Coming soon
St John’s Wort Coming soon
Star anise Coming soon
Suanzaoren (Ziziphus spinosa seed) Coming soon
Sweet violet Coming soon
Symphytum officinale Comfrey (Topical) Coming soon
Syzygium aromaticum Clove Coming soon