Materia Medica

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...
Hibiscus (Hibiscus sabdariffa) — Roselle, Jamaica Sorrel, Flor de Jamaica
A guide to Hibiscus sabdariffa covering calyces, tea traditions, blood-pressure research, medication cautions and cultural associations. 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...
Holy Basil (Ocimum tenuiflorum) — Tulsi, Sacred Basil
A guide to Ocimum tenuiflorum covering tulsi's sacred and Ayurvedic context, tea use, emerging research, glucose and medication cautions, and safety. 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...
Hops (Humulus lupulus) — Common Hop, European Hop
A guide to Humulus lupulus covering brewing, traditional calming use, sleep research, phytoestrogenic constituents and sedation safety. 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...
Horehound (Marrubium vulgare) — White Horehound, Common Horehound
A guide to Marrubium vulgare covering horehound's traditional cough and bitter use, preparation, limited research, pregnancy cautions and folklore. 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...
Horsetail (Equisetum arvense) — Field Horsetail, Scouring Rush, Shavegrass
A guide to Equisetum arvense covering horsetail identification, sterile stems, traditional urinary use, silica, thiaminase 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...
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...