Bencao Gangmu Reference Library
刺罂粟 / 墨西哥刺罂粟 / 黄花刺罂粟 / 刺草 / 假罂粟 / 毒刺草 — Argemone mexicana L. (syn. Argemone spinosa, Echtrus trivialis)
Pinyin: Cìyīngsù / Mòxīgē Cìyīngsù / Huánghuā Cìyīngsù · Malay: Candu Duri / Bunga Candu / Pokok Candu Duri / Mexican Prickly Poppy / Cardo Santo · Family: Papaveraceae (罂粟科 / 刺罂粟属)
Energetics
Cold, Toxic in raw internal ingestion (大寒 / 苦辛有小毒 / 种子油剧毒)
Flavor
Bitter, acrid, tongue-numbing, toxic (大苦、辛、大寒、有毒)
Meridians
Lung (肺), Liver (肝), Large Intestine (大肠)
Traditional Edict
Mexican Prickly Poppy (Candu Duri / Ci Ying Su / Cardo Santo). Glaucous prickly thistle-like poppy with golden flowers and bright yellow latex. High-Potency Topical Analgesic & Antipsoriatic: yellow latex instantly terminates toothaches, destroys psoriasis plaques, and clears scabies. SEED OIL IS TOXIC INTERNALLY.
Cautions & Contraindications
- EPIDEMIC DROPSY TOXICOLOGY: Ingestion of seed oil causes lethal Epidemic Dropsy (sanguinarine inhibits cardiac Na+/K+-ATPase causing severe edema, glaucoma, and heart failure). ABSOLUTELY CONTRAINDICATED INTERNALLY IN ALL HUMANS.
Clinical Applications
- Refractory plaque psoriasis and cutaneous ringworm (keratolytic and antipsoriatic NF-kB suppression via Sanguinarine), odontogenic toothache and dental caries (bactericidal membrane lysis), and purulent boils. Strictly external.
Quality Markers
Mechanism & Phytochemistry
1. Sanguinarine intercalates into microbial DNA and disrupts cell membranes (MIC=1.5 ug/mL against S. mutans). 2. Sanguinarine downregulates epidermal keratinocyte hyperproliferation in psoriasis.
Preparation & Dosage
CRITICAL MANDATE: STRICTLY EXTERNAL USE. TOOTHACHE EMERGENCY DOT: 1 single drop of fresh yellow latex applied directly into an aching tooth cavity (halts pain in 2 min; DO NOT SWALLOW). Psoriasis ointment: 5% alcoholic extract in coconut oil/beeswax. INTERNAL INGESTION PROHIBITED.
Appended Prescriptions
- 1. The Sovereign Odontogenic Toothache Emergency Duo with Syzygium aromaticum (Clove oil). 2. Chronic Plaque Psoriasis Healing Salve with Calophyllum inophyllum (Tamanu oil).
Yemama Apothecary · Petaling Jaya, Malaysia · For educational and clinical reference only
