Distribution and habitat
Philippines (Lanao Province) and Borneo (4th Div, Lambir Nat. Park). At present, the species was recently found in Barangay Tilubog, Municipality of Naga, Zamboanga Sibugay province extending its distribution range where it grows in deeply shaded broad leaved forest near the trail and rubber plantation at elevation of between 200 to 300 m a.s.l. In the type locality, the species was found growing in the dipterocarp forest at 150 m a.s.l. (Quisumbing 1930). In Sarawak, the species was found growing in dipterocarp forest and on sheltered sandstone cliff at elevations between 150–459 m a.s.l. (Hou 1984).