Bitterwood tree and Quassia amara

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

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

Quassia amara 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 amara are semantically related. You can use "Bitterwood tree" instead a noun phrase "Quassia amara".