Inhabiting the lush, high-rainfall forests of the Amazon basin, Simaba paraensis ranges across northern Brazil and Ecuador. The species was first described in 1925 by the prominent Brazilian botanist Adolpho Ducke, a pioneer in Amazonian taxonomy.
Its distribution spans the Brazilian states of Pará, Roraima, and Acre, showcasing its adaptation to diverse terra firme forest soils.
This woody plant exhibits a shrub or small tree habit with alternate, pinnately compound leaves. The leaflets are coriaceous and help the plant conserve moisture in the forest understory. Its small, pale flowers are clustered in panicles, followed by woody or fibrous fruits.
Like its relatives, the bark and roots of this species contain active quassinoid bitter principles. Traditional communities in the Amazon basin have historically utilized infusions of related bitterwoods for treating fevers and digestive ailments.
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