Helen C. F. HOPKINS
Parkia lutea is a small tree from low forest and white-sand campina in central Amazonian Brazil. It has large, oblong leaflets and the bright yellow, biglobose capitula are pendent from elongated inflorescence axes that project above the foliage. It belongs to the neotropical "nitida group" of Parkia sect. Parkia, most of whose members are known to be pollinated by bats.