A genus of plants, of the order <em>Simarubaceæ</em> and tribe <em>Simarubeæ.</em>
User Defined Definitions
"a bitter compound used as an insecticide and tonic and vermifuge; extracted from the wood and bark of trees of the genera Quassia and Picrasma"
"handsome South American shrub or small tree having bright scarlet flowers and yielding a valuable fine-grained yellowish wood; yields the bitter drug quassia from its wood and bark"