Guarea michel-moddei, a new species from central French Guiana is desc
ribed and illustrated. It differs from the morphologically similar G.
cristata of western Amazonia by its un-branched habit; shorter, less d
ense indumentum of the young parts, leaves, and inflorescence; bullate
leaves, shorter inflorescence, shorter pubescence on the corolla; and
smaller corolla and staminal tube.