| Noun | 1. | genus Cinchona - large genus of trees of Andean region of South America having medicinal bark asterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubs family Rubiaceae, madder family, Rubiaceae - widely distributed family of mostly tropical trees and shrubs and herbs; includes coffee and chinchona and gardenia and madder and bedstraws and partridgeberry Cartagena bark, Cinchona cordifolia, Cinchona lancifolia - Colombian tree; source of Cartagena bark (a cinchona bark) calisaya, Cinchona calisaya, Cinchona ledgeriana, Cinchona officinalis - Peruvian shrub or small tree having large glossy leaves and cymes of fragrant yellow to green or red flowers; cultivated for its medicinal bark Cinchona pubescens, cinchona tree - small tree of Ecuador and Peru having very large glossy leaves and large panicles of fragrant pink flowers; cultivated for its medicinal bark |