1. (n.) A genus of trees growing naturally on the Andes in Peru and adjacent countries, but now cultivated in the East Indies, producing a medicinal bark of great value.

2. (n.) The bark of any species of Cinchona containing three per cent. or more of bitter febrifuge alkaloids; Peruvian bark; Jesuits' bark.

Persian berry alder azalea bayberry blackberry blackthorn box bramble brier brier bush broom bush caper cinchona coca coffee cranberry currant daphne elder forsythia frangipani fuchsia furze gardenia gooseberry gorse greasewood guava haw heather hemp tree henna hibiscus holly huckleberry hydrangea indigo juniper jute laurel leatherleaf lilac magnolia manzanita mock orange mountain lilac myrtle ninebark oleander photinia poison sumac privet pussy willow rhododendron rose of Sharon rosebay rosemary sage sagebrush sand myrtle scrub shrubbery sisal snow wreath snowberry spiraea sumac symplocos syringa tamarisk veronica witch hazel yellowroot