Portuguese: Pao pereira; Acariquara branca; Bergibit; Maria-congo; Pao pereira.
Synonym: Geissospermum laeve; Geissospermum martianum; Tabernaemontana laevis.
Region: Suriname.
Habitat: non flooded areas of the forest.
Content: indole, beta-carboline alkaloids, flavopereirine, Geissospermine, all with anti tumor properties.
Use: bark for medicines; wood.

BotanyMedium sized, canopy Amazon rainforest tree; extreme bitterness.
Stem: light brown to yellow furrowed trunk; branches produce latex.
Leaves: alternate; gold-like hairiness at the underside.
Flowers: showy; white.
Fruits: horn-like; 2 follicle-like segments fused; yellow when ripe; produce latex.
Seeds: numerous; white; flat.