n. 1.【植物；植物学】苦树；〔Q-〕苦木属。 2.苦树木料[树皮、根]；由苦树采取的苦味液。 3.啤酒苦味剂。
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 同义词：bitterwood, Quassia amara,
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
Quassia ( or ) is a flora genus in the family Simaroubaceae. Its size is disputed; some botanists treat it as consisting of only one species, Quassia amara from tropical South America, while others treat it in a wide circumscription as a pantropical genus containing up to 40 species of trees and shrubs.
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