• Korean Journal of Pharmacognosy
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• v.41 no.1
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• pp.9-13
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• 2010

HooBakIp is one of the Korean crude drugs used mainly to cure a headache, apoplexy and dyspepsia. With regard to the botanical origin of HooBakIp, it has been considered to the Machilus thunbergii of Lauraceae in Korea. But there has no pharmacognostical conformation on it. To clarify the botanical origin of HooBakIp, the anatomical characteristics of the leaf of Machilus thunbergii, Machilus thunbergii var. obovata and Machilus japonica were studied. As a result, it was clarified that HooBakIp from Korea was the leaf of Machilus thunbergii.