Li Lu

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Veratrum nigrum L.

Genus: Veratrum Species: nigrum Pinyin: Li Lu
False Hellebore root藜芦

☯ TCM Properties

Category: draining downward
Temperature: cold
Taste: pungent, bitter
Meridians: liver, lung, stomach
Functions:

Induces Vomiting to Expel Phlegm; Expels Parasites; Relieves Itching and Treats Sores

Traditional Chinese Uses

Li Lu (veratrum root and rhizome, false hellebore) is an extremely toxic herb with a powerful emetic action used only in emergencies for acute Phlegm obstruction or toxic ingestion. Internally, it also expels stubborn Wind-Phlegm from the channels in severe bi syndrome. It is considered incompatible with many common herbs and must never be used without strict professional supervision and careful dose measurement. Its extreme toxicity means it is one of the least commonly prescribed herbs in modern Chinese clinical practice.

Botanical Description

Veratrum nigrum, the black false hellebore, is a stout perennial herb of the Melanthiaceae family growing 60 to 100 cm tall from a short erect rhizome bearing many thick fleshy roots. The basal leaves are large, broadly elliptic, 20 to 35 cm long, with strongly parallel longitudinal veins, prominently plicate, and clasping at the base; cauline leaves become progressively smaller upward. The inflorescence is a large terminal panicle, 20 to 60 cm long, of numerous small flowers with six dark purplish-black to maroon tepals about 6 to 8 mm long, the lateral branches densely flowered. The fruit is a three-lobed septicidal capsule containing winged seeds. It is native to grasslands and open woodlands across temperate Eurasia. All parts contain extremely toxic steroidal alkaloids including jervine and protoveratrines.

Dosage

FormAmount Frequency Duration Population Notes
decoction 6-15g Daily

This information is for educational purposes only and is not intended to replace professional medical advice. Always consult a qualified healthcare provider before using any herbal remedy, especially if you are pregnant, nursing, or taking medications.

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