Herbal Exhibition
Spica Prunellae
Common Selfheal Fruit-Spike
Xiakucao

«LČ\»ˇ

Source
The fruit spike of Prunella vulgaris L. (Fam. Labiatae).

Distribution
Mainly in Chinese provinces such as Jiangsu, Anhui and Henan.

Harvest & Processing
Harvest fruit spikes in summer when they turn brownish-red; remove foreign matter; dry under the sun.

Description
Baculiform (rod-shaped), slightly flattened; 1.5-8 cm long, 0.8-1. 5 cm in diameter; pale brown to brownish-red. A whole spike contains several to more than 10 whorls of persistent calyx and bracts; each whorl with 2 opposite (borne in pairs at each node) bracts; each bract flabellate (fan-shaped), apex the shape of a pointed tail, veins prominent, outer surface covered with white hairs. 3 flowers in each bract; corolla mostly fallen off; persistent calyx bilabiate (two-lipped), with 4 small nutlets inside; nutlets ovoid (egg-shaped), brown, with a white protuberance at apex. Light in weight. Odour: faint; taste: mild.

Indications
1. Dizziness due to hypertension, headache, tinnitus
2. Red eyes, photophobia with lacrimation, conjunctivitis
3. Dry cough
4. Dermititis and boils

Chemical Composition
Mainly contains ursolic acid, oleanolic acid and their saponins.

Photos

 

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The information and images in this Online Herbal Exhibition is form the book, "An Illustrated Chinese Materia Medica in Hong Kong", edited by Professor Zhao Zhongzhen, School of Chinese Medicine, Hong Kong Baptist University. For the complete collection of Chinese Materia Medica compiled by Professor Zhao, please go to this website: http://www.bucmm.org.

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