Whole herbsHeat-clearingSolani Nigri Herba

Long Kui (Black Nightshade Herb)

龍葵 · Long Kui

Heat-clearing herb in Traditional Chinese Medicine. Traditional functions: Clears heat and resolves toxin, reduces swelling and dissipates nodules, promotes urination and relieves stranguria.

Quick Facts

Latin NameSolani Nigri Herba
Chinese Name & Pinyin龍葵 · Long Kui
Medicinal PartWhole herbs
Efficacy CategoryHeat-clearing
Botanical OriginThe dried aerial part of Solanum nigrum L. (Solanaceae).
Nature & FlavourBitter, Sweet; Cold; Slightly toxic
Channels EnteredBladder

What Is Long Kui?

Long Kui (Black Nightshade Herb) is a medicinal herb of Traditional Chinese Medicine.

Produced nationwide.

Nature & Flavour: Bitter, Sweet; Cold; Slightly toxic
Channels Entered: Bladder

Long Kui: Materia Medica Profile

Identification & Quality Standard

Solani Nigri Herba

Botanical Origin

The dried aerial part of Solanum nigrum L. (Solanaceae).

Production Regions

Produced nationwide.

Quality Requirements

Superior is green, leafy, with berries.

Macroscopic Features

Stem cylindrical, 1~2cm diameter, surface green or purple-green. Leaves alternate, ovate. Berries globose, black when ripe. Faint odor, bitter taste.

Traditional TCM Properties

Bitter, Sweet; Cold; Slightly toxicBladder

Traditional Functions

Clears heat and resolves toxin, reduces swelling and dissipates nodules, promotes urination and relieves stranguria.

How Long Kui Is Used in TCM

In the Chinese materia medica, Long Kui is classified among the Heat-clearing herbs.

Medical Disclaimer — This article is provided for educational purposes only and describes traditional Chinese medicine concepts. It is not medical advice, and it is not intended to diagnose, treat, cure or prevent any disease. Always consult a qualified practitioner before using any herb, particularly if you are pregnant, nursing, taking medication or managing a diagnosed condition.

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