cinchona

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.

本品为茜草科植物柔毛鸡纳（鸡纳树）Cinchona pubescens Vahl (Cinchona succirubra Pavon)、白鸡纳树C. calisaya (Weddell)、鸡纳树C. ledgeriana (Moens ex Trimen)及其变种及杂交品种完整或切段干燥树。