Found across the humid tropical regions of northern South America, Simaba obovata occurs naturally in the Amazonian basins of Colombia, Brazil, and Venezuela.
This wild woody plant is a member of the Simaroubaceae family and was first taxonomically described in 1874. It thrives in dense rainforests and riverine habitats, playing an ecological role in these species-rich environments.
The morphology of this species is characterized by its specific leaf structure and growth form:
The taxonomic history of this species involves multiple reclassifications, having been placed in the genera Quassia, Simarouba, and Aruba before settling in Simaba. Its species name, obovata, directly references the characteristic egg-shaped leaflets that are broader at the upper end. Like other members of its genus, it contains bitter quassinoids that deter herbivores.
Taxon Synonyms: Simarouba obovata, Quassia obovata
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