medicinal bark of cinchona trees; source of quinine and quinidine

any of several trees of the genus Cinchona

medicinal bark of cinchona trees; source of quinine and quinidine

Peruvian shrub or small tree having large glossy leaves and cymes of fragrant yellow to green or red flowers; cultivated for its medicinal bark

Colombian tree; source of Cartagena bark (a cinchona bark)

Colombian tree; source of Cartagena bark (a cinchona bark)

Peruvian shrub or small tree having large glossy leaves and cymes of fragrant yellow to green or red flowers; cultivated for its medicinal bark

Peruvian shrub or small tree having large glossy leaves and cymes of fragrant yellow to green or red flowers; cultivated for its medicinal bark

small tree of Ecuador and Peru having very large glossy leaves and large panicles of fragrant pink flowers; cultivated for its medicinal bark

small tree of Ecuador and Peru having very large glossy leaves and large panicles of fragrant pink flowers; cultivated for its medicinal bark