Erect shrub, c. 2 m, becoming glabrous. Leaves clustered towards the ends of the branches; Inflorescence a terminal compound umbel, c. 18 cm ø; Petals and stamens unknown. Ovary 2-2.5 mm long, turbinate, obscurely angled, 4-celled. Fruit unknown.
Asia-Tropical: Philippines (Philippines present), Ilocos Norte Prov present, Luzon present, Mt Palimlin present
Malesia: Philippines (Luzon: Ilocos Norte Prov., Mt Palimlin).
Apparently never re-collected. For a discussion of distinctive features see under 9. O. catanduanense.