Materia Medica

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...
Elderflower (Sambucus nigra) — Elder Blossom, Elder Flower
A detailed Sambucus nigra elderflower Materia Medica with botanical identification, European traditional-use monograph amounts, five household recipes, cultivation, harvesting and drying, modern phytochemical research, safety, and Hyldemor, midsummer and household folklore. Read more...
Elecampane (Inula helenium) — Horseheal, Elf Dock, Scabwort
A guide to Inula helenium covering elecampane root identification, traditional respiratory and digestive use, preparation, research limits, allergy and safety. Read more...
Eyebright (Euphrasia spp.) — Euphrasy, Casse-Lunette
A careful guide to Euphrasia spp. covering eyebright identification, traditional use, limited evidence, taxonomy uncertainty and a strong warning against homemade eye drops. Read more...
Original botanical visualization of Chlorella vulgaris, green algal culture with magnified circular cells
Chlorella (Chlorella vulgaris) — Green Algae, Freshwater Algae
A researched guide to Chlorella vulgaris covering microalgal identity, nutrition, processing, modern clinical research, product quality, the vitamin K–warfarin interaction, and safety. Read more...
Potentilla reptans (Cinquefoil / Creeping Cinquefoil), realistic botanical photo
Cinquefoil (Potentilla reptans) — Creeping Cinquefoil, Five-Finger Grass
A species-specific guide to creeping cinquefoil (Potentilla reptans) covering identification, traditional astringent use, modern phytochemical research, safety, growing, and the important distinction from tormentil (P. erecta). Read more...
Original botanical visualization of Salvia sclarea Clary Sage, lilac-pink bracts and pale flowers above fuzzy crinkled leaves
Clary Sage (Salvia sclarea) — Clear Eye, Muscatel Sage
A whole-plant guide to clary sage (Salvia sclarea) covering identification, aromatic chemistry, traditional uses, modern research, essential-oil safety, pregnancy cautions, and cultivation. Read more...
Original botanical visualization of Syzygium aromaticum clove tree, red and green flower buds, glossy opposite leaves, dried culinary cloves
Clove (Syzygium aromaticum) — Clove Tree, Lavanga
A researched guide to clove (Syzygium aromaticum) covering botanical identity, culinary and traditional use, eugenol chemistry, modern research, essential-oil toxicity, medication cautions, and cultivation. Read more...
Original botanical visualization of Bursera species copal resin-producing tree, peeling bark and golden resin, sunlit dry tropical setting
Copal (Bursera spp.) — Copal Resin, Mayan Copal
A botanical and cultural guide to Bursera copal resins covering key species, Mesoamerican ceremonial traditions, chemistry, modern research, incense-smoke safety, identification, and sustainable harvesting. Read more...
Original botanical visualization of Piper cubeba cubeb pepper vine, green to dark pendant fruit spikes and bowl of dried tailed cubeb pepper
Cubeb (Piper cubeba) — Tailed Pepper, Java Pepper
A whole-plant guide to cubeb (Piper cubeba), also called Java or tailed pepper, covering identification, culinary and traditional use, lignan and essential-oil chemistry, modern research, possible interaction concerns, and safety. Read more...
Veronicastrum virginicum (Culver's Root), realistic botanical photo
Culver's Root (Veronicastrum virginicum) — Black Root, Bowman's Root
A whole-plant guide to Culver's root (Veronicastrum virginicum) covering native-plant identification, Indigenous and historical context, limited modern research, strong cathartic/emetic safety concerns, pregnancy cautions, and pollinator-garden value. Read more...
Rhamnus cathartica (Common Buckthorn), realistic botanical photo
Common Buckthorn (Rhamnus cathartica) — Purging Buckthorn, Hart's Thorn
A safety- and law-focused guide to common buckthorn covering invasive ecology, historical cathartic use, gastrointestinal toxicity, Illinois legal restrictions, identification, and safe handling. Read more...