Wallaceodendron celebicum Koord.

Perennial, Trees, Woody throughout, Nodules present, Stems erect or ascending, Stems greater than 2 m tall, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Leaves alternate, Leaves petiolate, Extrafloral nectary glands on petiole, Stipules inconspicuous, absent, or caducous, Leaves compound, Leaves bipinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 10-many, Leaves glabrous or nearly so, Inflorescences racemes, Inflorescence axillary, Bracts very small, absent or caducous, Calyx 5-lobed, Calyx glabrous, Petals united, valvate, Petals separate, Stamens numerous, more than 10, Stamens monadelphous, united below, Filaments glabrous, Style terete, Fruit a legume, Fruit unilocular, Fruit indehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit coriaceous or becoming woody, Fruit exserted from calyx, Fruit glabrous or glabrate, Fruit 3-10 seeded, Seeds ovoid to rounded in outline, Seed surface smooth, Seeds olive, brown, or black.

Wallaceodendron is a monotypic genus of flowering plants in the family Fabaceae. It belongs to the mimosoid clade of the subfamily Caesalpinioideae. The sole species is Wallaceodendron celebicum.