Bitterwood tree and Quassia

Bitterwood tree noun - Any of various trees or shrubs of the family Simaroubaceae having wood and bark with a bitter taste.

Quassia and bitterwood tree are semantically related. In some cases you can replace term "Quassia" with "Bitterwood tree", this terms are similar.

Quassia noun - 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.

Bitterwood tree and quassia are semantically related. You can use "Bitterwood tree" instead a noun "Quassia".