Materia Medica

Tussilago farfara (Coltsfoot), realistic botanical photo
Coltsfoot (Tussilago farfara) — Coughwort, Foal's Foot
A careful guide to Tussilago farfara covering coltsfoot's traditional cough use, pyrrolizidine alkaloids, liver risk, smoke exposure and modern safety. Read more...
Gravel Root (Eutrochium purpureum) — Joe-Pye Weed, Queen of the Meadow
A guide to Eutrochium purpureum covering gravel root's traditional urinary use, modern taxonomy, limited research, kidney red flags and safety. Read more...
Kudzu (Pueraria montana) — Japanese Arrowroot, Ge Gen
A whole-plant guide to kudzu, or Ge Gen (Pueraria montana var. lobata), covering traditional root and food use, puerarin and other isoflavones, small human studies on alcohol consumption, phytoestrogen cautions, invasive ecology, and current Illinois exotic-weed permit requirements for plant material. Read more...
Phyllanthus niruri (Chanca Piedra / Stonebreaker), realistic botanical photo
Chanca Piedra (Phyllanthus niruri) — Stonebreaker, Gale of the Wind
A comprehensive guide to chanca piedra or stonebreaker (Phyllanthus niruri), covering traditional infusion and decoction use, species identification, kidney-stone research, studied amounts, urinary chemistry, safety, medication considerations and sourcing. Read more...
Original botanical visualization of Myrtus communis common myrtle, glossy narrow evergreen leaves, white flowers with many stamens, dark berries
Common Myrtle (Myrtus communis) — True Myrtle, Greek Myrtle
A research-grounded guide to common myrtle (Myrtus communis), covering Mediterranean food and herbal traditions, phytochemistry, mouth-ulcer and reflux trials, preliminary 2026 cognitive research, essential-oil distinctions and safety. Read more...
Nutmeg (Myristica fragrans) — Mace, True Nutmeg
A research-grounded guide to nutmeg and mace (Myristica fragrans), covering culinary and trade history, traditional medicine, myristicin and other phytochemicals, modern research, pregnancy considerations and high-dose intoxication risk. Read more...
Original botanical visualization of Rheum palmatum Chinese rhubarb, large lobed leaves and branched flower clusters in bright mountain meadow
Chinese Rhubarb (Rheum palmatum) — Turkey Rhubarb, Indian Rhubarb
Chinese rhubarb root, called Da Huang in Chinese medicine, is primarily associated in modern European herbal regulation with short-term stimulant-laxative use for occasional constipation. This guide separates medicinal Rheum palmatum... Read more...
Rose (Rosa × damascena) — Damask Rose, Rose Petals
Rose flowers and petals—especially Damask rose (Rosa × damascena)—have a long history in tea, rose water, syrups, preserves, skin care and traditional herbalism. This full guide covers practical preparations, petal chemistry, human research, harvesting, drying, growing, folklore, safety and the important differences among petals, rose hips, rose water and essential oil. Read more...
Sandalwood (Santalum album) — Indian Sandalwood, White Sandalwood
Indian sandalwood (Santalum album) is prized for aromatic heartwood and an essential oil rich in α- and β-santalol. This evidence-aware guide separates S. album from Australian sandalwood, red sandalwood, and Amyris; reviews traditional and modern research; and covers adulteration, traceable sourcing, topical safety, and why essential oil is not a casual oral remedy. Read more...
Editorial illustration labeled Common Sorrel and Rumex acetosa, showing arrow-shaped leaves and flowering stems
Common Sorrel (Rumex acetosa) — Garden Sorrel, Sour Grass
Common sorrel (Rumex acetosa) is a tart perennial green. Explore identification, parts used and avoided, oxalate safety, three culinary recipes, history and modern folklore. Read more...
Ylang Ylang (Cananga odorata) — Perfume Tree, Macassar Oil
Ylang ylang (Cananga odorata) is a tropical Annonaceae tree whose intensely fragrant flowers yield one of perfumery’s best-known essential oils. This guide covers botanical identity, traditional use, essential-oil chemistry, small human aromatherapy studies, contact-allergy risk, cultivation and practical safety. Read more...