Abstract
Inocarpus ademanus (Fabaceae) is described from lowland environments in the Ambunti District of Papua New Guinea. Ten noteworthy records are also presented from the same area for Marsdenia ambuntiensis, M. lorea, Phyllanthera nymanii (Apocynaceae), Tetracera lanuginosa (Dilleniaceae), Archidendron calliandrum, A. kalkmanii, Mucuna lamii (Fabaceae), Cryptocarya resinosa (Lauraceae), Ficus morobensis (Moraceae), and Chlamydogramme hollrungii (Tectariaceae).