Definition: Whole or cut, dried bark of Cinchona pubescens Vahl (Cinchona succirubra Pavon), of C. calisaya (Weddell), of C. ledgeriana (Moens ex Trimen) or of its varieties or hybrids.

本品为茜草柔毛金鸡（鸡）Cinchona pubescens Vahl (Cinchona succirubra Pavon)、白金鸡C. calisaya (Weddell)、金鸡C. ledgeriana (Moens ex Trimen)其变种杂交品种的完整或切段的干燥皮。