Materia Medica

Dill (Anethum graveolens) — Dill Weed, Dill Seed
A whole-plant guide to dill, including dill leaf and seed, culinary history, traditional digestive use, research limits, Apiaceae allergy cautions and folklore. Read more...
Damiana (Turnera diffusa) — Mexican Holly, Old Woman's Broom
A whole-plant guide to Damiana (Turnera diffusa), including identification, Mexican and Central American traditional use, aphrodisiac claims, limited human research, safety, cultivation and spiritual folklore. Read more...
Devil's Claw (Harpagophytum procumbens) — Grapple Plant, Wood Spider
A guide to Devil’s Claw (Harpagophytum procumbens), covering Kalahari ecology, secondary-root use, traditional digestive and joint applications, evidence limits, gastrointestinal and medication cautions, and sustainability. Read more...
Dong Quai (Angelica sinensis) — Chinese Angelica, Female Ginseng
A whole-plant guide to Dong Quai (Angelica sinensis), covering root identity, Chinese herbal context, women's-health claims, research limits, bleeding, pregnancy and hormone-sensitive cautions, and cultural history. Read more...
Feverfew (Tanacetum parthenium) — Featherfew, Bachelor's Buttons
A guide to Tanacetum parthenium covering feverfew's traditional history, migraine-prevention research, preparation differences, allergy and pregnancy cautions. Read more...
Hydrangea (Hydrangea arborescens) — Wild Hydrangea, Seven Barks
A careful guide to Hydrangea arborescens covering root-bark tradition, urinary folklore, species identification, limited evidence and toxicity concerns. Read more...
Linden (Tilia spp.) — Lime Tree, Basswood, Limeflower
A guide to Tilia × europaea and related linden species covering flower tea, European traditional use, modern taxonomy, safety and folklore. Read more...
Lungwort (Pulmonaria officinalis) — Jerusalem Cowslip, Mary's Tears
A careful Pulmonaria officinalis guide covering lungwort, the Doctrine of Signatures, traditional respiratory use, limited evidence and pyrrolizidine-alkaloid safety concerns. Read more...
Meadowsweet (Filipendula ulmaria) — Queen of the Meadow, Meadwort
A guide to Filipendula ulmaria covering meadowsweet's traditional use, salicylate chemistry, aspirin-allergy and anticoagulant cautions, and folklore. Read more...
Motherwort (Leonurus cardiaca) — Lion's Tail, Throw-Wort
A guide to Leonurus cardiaca covering motherwort's traditional heart and menstrual use, limited research, pregnancy contraindication and medication cautions. Read more...
Passionflower (Passiflora incarnata) — Maypop, Apricot Vine
A guide to Passiflora incarnata covering passionflower's traditional calming use, anxiety and sleep research, sedation interactions, pregnancy caution and folklore. Read more...
Quassia (Quassia amara) — Bitterwood, Surinam Quassia
A guide to Quassia amara covering bitter wood and bark, traditional digestive use, quassinoid research, pregnancy caution and safety. Read more...