Trees, more than 35 m tall with diam. up to 186 cm; Leaves sessile; Inflorescences up to 15 cm long. Flowers white, c. 2.5 cm long, c. 1.5 cm wide when open, pedicels 0-3 mm long, articulate at the base. Petals orbicular-ovate, c. 1 by 1 cm, papyraceous, apex round. Stamens: Fruits ellipsoid or suborbicular (including wings), 2-3 cm long, nearly as wide, base rounded, apex retuse; Seeds oblong, 6-7 mm long.
Agusan: present Asia-Tropical:, Philippines (Philippines ‒ present) Luzon: present Masbate: present Mindanao: present Samar: present Surigao: present
Malesia: Philippines (central and southern parts of the country: Masbate, Samar, Agusan, Luzon, Surigao and Mindanao).
The timber is used for bridges, piling and other constructions. Leaves are used also to treat rash.
Petersianthus quadrialatus in Philipp. J. Sci., Bot. 11: 200. 1916