A crude drug sold under the name of Lung Lei Ip (Dragon Tongue) by the herb dealers in Hongkong and vicinity is identified as a euphorbiaceous ground cover. The morphological characters of the species are summarized, the history of its uses is reviewed, the medicinal merits reported and the ethnobotanical and ecological significance discussed.
KeywordsEconomic Botany Crude Drug Pistillate Flower Arnold Arboretum Leafy Shoot
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