Summary
In this work Pouteria echinocarpa W. Rodr. and Achrouteria durifructa W. Rodr. are described as new species, Neolabatia cuprea (Hub.) J. M. Pires & W. Rodr., Ragala ucuquirana-branca (Aubr. & Pellegr.) W. Rodr. and Franchetella crassifolia (Radlk.) J. M. Pires & W. Rodr. are proposed as new combinations, and Richardella manaosensis Aubr. & Pellegr., Paramicropholis acutangula (Ducke) Aubr. & Pellegr., Micropholis madeirensis (Baehni) Aubr., M. williamii Aubr. & Pellegr., Achrouteria pomifera Eyma, Manilkara huberi (Ducke) Standley and M. paraensis (Hub.) Standley are discussed as interesting woody plants little known or new to brazilian Amazonia.