Materia Medica

Ocimum basilicum (Sweet Basil), realistic botanical photo
Basil (Ocimum basilicum) — Sweet Basil, Common Basil
A whole-plant guide to sweet basil (Ocimum basilicum), including identification, culinary and traditional uses, research limits, estragole and essential-oil safety, cultivation, preservation, folklore and spiritual correspondences. Read more...
Adonis vernalis Spring Pheasant's Eye with bright yellow flowers and fine divided foliage in natural habitat
Adonis / Spring Pheasant’s Eye (Adonis vernalis) — Spring Adonis / Oxeye
Adonis / Spring Pheasant’s Eye (Adonis vernalis) materia medica covering botanical identity, historical cardiotonic and diuretic use, documented historical preparations and doses, cardenolide chemistry, toxicology, reproductive record, cultivation, propagation, harvesting,... Read more...
Nigella sativa (Black Seed / Black Cumin), realistic botanical photo
Black Seed (Nigella sativa) — Black Cumin, Kalonji, Nigella
A comprehensive guide to black seed, black cumin and kalonji (Nigella sativa), covering culinary and traditional use, seed and oil preparations, thymoquinone, human research, studied amounts, interactions, pregnancy considerations, sourcing... Read more...
Laurus nobilis (Bay Laurel), realistic botanical photo
Bay Laurel (Laurus nobilis) — Bay Leaf, Sweet Bay, True Laurel
A whole-plant guide to Bay Laurel (Laurus nobilis), including identification, culinary use, traditional herbal history, research limits, essential-oil and look-alike safety, cultivation, classical folklore and spiritual correspondences. Read more...
Natural yellow Tagetes erecta African marigold flower close-up in garden light
Marigold, African (Aztec) — Tagetes erecta
African Marigold / Aztec Marigold (Tagetes erecta) materia medica covering Mesoamerican and regional traditional uses, documented preparations and amounts, lutein and zeaxanthin chemistry, human marigold-lutein research, skin and gastrointestinal adverse... Read more...
Juglans nigra (Black Walnut), realistic botanical photo
Black Walnut (Juglans nigra) — American Walnut, Eastern Black Walnut
A whole-plant guide to Black Walnut (Juglans nigra), covering edible nuts, green hull and leaf traditions, juglone, evidence limits, tree-nut allergy and supplement safety, dyeing, cultivation and folklore. Read more...
Agar-producing red algae in one natural tidepool scene showing Gelidium-like fine branching and Gracilaria-like fleshy branching
Agar / Agar-Agar (Gelidium & Gracilaria spp.) — Kanten / Japanese Isinglass
Agar / Agar-Agar (Gelidium & Gracilaria spp.) materia medica covering red-algae sources, historical jelly and constipation doses, modern human study amounts, agarose and agaropectin chemistry, cultivation and processing, documented adverse... Read more...
Fucus vesiculosus (Bladderwrack), realistic photo
Bladderwrack (Fucus vesiculosus) — Black Tang, Sea Oak
A guide to bladderwrack covering identification, iodine content, traditional seaweed use, research context, thyroid cautions, contaminants, and safety. Read more...
Aquilaria malaccensis branch with narrow glossy leaves and small yellow-green flowers
Agarwood / Aloeswood / Oud (Aquilaria malaccensis) — Agaru / Gaharu / Eaglewood
Agarwood / Aloeswood / Oud (Aquilaria malaccensis) materia medica covering botanical identity, Ayurvedic and Chinese energetic traditions, resin formation, species confusion, traditional indications, preparations and dose context, pediatric limits, classical... Read more...
Cnicus benedictus (Blessed Thistle), realistic botanical photo
Blessed Thistle (Cnicus benedictus) — Holy Thistle, Spotted Thistle
A whole-plant guide to blessed thistle covering identification, bitter-herb tradition, historical use, preparation, research context, and safety. Read more...
Agave americana century plant mature blue-gray rosette with marginal teeth and dark terminal spines
Agave / Century Plant (Agave americana) — American Agave / Maguey
Agave / Century Plant (Agave americana) covering botanical identity, traditional food and fiber use, preparations and dose limits, pediatric safety, constituents, agave fructans, modern research, severe sap dermatitis, pregnancy cautions,... Read more...
Original AI botanical illustration of Sanguinaria canadensis white flower, yellow stamens, lobed clasping leaf in a woodland setting
Bloodroot (Sanguinaria canadensis) — Red Puccoon, Indian Paint
A safety-focused guide to bloodroot covering identification, sanguinarine toxicity, traditional history, severe escharotic injury risk, folklore, and why self-treatment is unsafe. Read more...