1. bitterwood, quassia, quassia amara

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

Synonyms

• quassia
• quassia amara

2. bitterwood, jamaica quassia, picrasma excelsa, picrasma excelsum

West Indian tree yielding the drug Jamaica quassia

Synonyms

• jamaica quassia
• picrasma excelsa
• picrasma excelsum

3. bitterwood, paradise tree, simarouba glauca

medium to large tree of tropical North and South America having odd-pinnate leaves and long panicles of small pale yellow flowers followed by scarlet fruits

Synonyms

• paradise tree
• simarouba glauca