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纳(
纳
)Cinchona pubescens Vahl (Cinchona succirubra Pavon)、
纳
C. calisaya (Weddell)、
纳
C. ledgeriana (Moens ex Trimen)
其
杂交品
的完整或切段的干燥
皮。